Trapezoid - Hammered Dulcimer3.4 - App Store
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Publisher Description
Trapezoid is an amazing Hammered Dulcimer for the iPad.
Written by an experienced Hammered Dulcimer player, this virtual dulcimer sounds and plays like the real thing!
The app has the full range of a standard 15/14 instrument and supports both Standard and Michigan (octave) tunings.
15/14 means there are 15 bridges on the Treble (left) side of the instrument, 14 bridges on the Bass (right) side of the instrument.
To play, just touch the strings on either side of the left (Treble) bridge or the left side of the right (Bass) bridge just like on the real instrument.
To get repeated note "drag roll" effects, drag quickly horizontally across the strings. The drag roll sensitivity can be set on the settings screen. The higher the sensitivity, the shorter distance you need to move your finger to get the effect.
Toggle between Hard or Soft hammers sound by touching on the "Hard" or "Soft" label on the upper left corner of the screen.
The app also may be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
When playing via MIDI, the app is velocity sensitive based on the velocity sent with the Note-on events.
Lowest MIDI note is A2 (MIDI note 45). MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
The app will respond to MIDI volume messages on the selected MIDI channel.
Touch the "?" on the upper left corner to show the note names for the strings.
Touch the "i" on the upper left corner to show the settings screen where you may:
- Adjust the volume and right/left panning for the bass and treble bridges
- Choose between "Traditional" or "StrikeZones" instrument styles
The new "StrikeZones" instrument style shows you exactly where to touch on the screen for each note. The zones light up when touched. It is an excellent tool for understanding or teaching the layout of the instrument.
- Choose between Standard or Michigan (octave) tunings
- Show or hide the hammer touches
- Show or hide the note name highlights (when note labels are displayed)
- Enable or disable the drag rolls as well as set the sensitivity for how far you need to drag to get the roll effect
- Set the MIDI channel. Lowest MIDI note is 45 (A2)
- Using the "Soft Hammer Filter" control, choose between equalization of the soft hammer sounds for best sound through the iPad speaker or through headphones. The "iPad" setting optimizes the soft hammer equalization for playback through the iPad speaker. The "Headphones" setting optimizes the soft hammer sound equalization for headphones or for use when connected to an amplifier through the headphone jack. The "Headphones" setting allows more of the low frequency content of the sound to pass through for best quality.
On the iPad Pro, with its amazing stero speakers, set the "Soft Hammer Filter" to "Headphones" for best quality sound when playing with the soft hammers.
- Learn more about ThumbJam or visit the AppCordions website
Touch the "Shhh" button on the upper right corner to quiet all the ringing strings.
To truly experience the full stereo spread of the instrument, plug in a set of headphones or amplified speakers.
Audio samples of Wes Chappell's amazing dulcimer provided by Jesse Chappell from ThumbJam.com. The instrument was built by James Jones, from Bedford, VA.
I have played and taught the Hammered Dulcimer for over 20 years. This app sounds and plays as close to the real instrument as I'm capable of doing on a touch screen.
Be sure to visit the AppCordions.com website to watch the demo videos!
Version History The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
The app will respond to MIDI volume messages on the selected MIDI channel.
Performance improvements:
Works with more General MIDI player apps.
Added support for MIDI Volume messages when used as a MIDI sound module. 3.4 06/15/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Bug fixes and performance improvements:
Works with more General MIDI player apps.
More robust MIDI data parser. 3.3 06/13/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements:
Fixed issue with MIDI Controllers that send Note-On events with velocity zero instead of sending Note-Off events. 3.2.1 06/12/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements. 3.1.2 06/11/2018 Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 through D6.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements. 3.1.1 06/11/2018 Added velocity-sensitive MIDI control. Lowest note is A2 (45).
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features. 3.1 06/11/2018 Added Audiobus and Inter-App Audio support.
This means that Trapezoid can be now be used as an Inter-App Instrument for multi-track recording of your playing using Apple's GarageBand for iOS. 3.0 03/04/2016 Minor bug fixes and performance improvements. 2.2 02/10/2016 Added new "Labels Highlight" option on the settings screen to highlight the note names while playing.
Label highlights are turned on by default. 2.1.1 01/22/2016 Minor graphics changes. 2.0.2 01/16/2016 New features:
Toggle between Hard or Soft hammer sound by touching on the "Hard" or "Soft" label on the upper left corner of the screen.
There's a new control, "Soft Hammer Filter" on the control page:
- Using the "Soft Hammer Filter" control, choose between equalization of the soft hammer sounds for best sound through the iPad speaker or through headphones. The "iPad" setting optimizes the soft hammer equalization for playback through the iPad speaker. The "Headphones" setting optimizes the soft hammer sound equalization for headphones or for use when connected to an amplifier through the headphone jack. The "Headphones" setting allows more of the low frequency content of the sound to pass through for best quality.
Moved the note labels on/off control to the settings page.
Bug fixes 2.0.1 01/13/2016 Trapezoid now supports both Standard and Michigan (octave) tuning. Switch between the turnings on the settings screen.
The app now supports traditional "drag rolls" technique. Drag rolls are performed by quickly dragging your finger quickly across the string horizontally. The can be enabled or disabled on the settings screen, when you can also adjust the sensitivity. The higher the sensitivity, the shorter distance you need to move your finger to get the effect.
You may now choose between Traditional or "StrikeZones" instrument styles.
The new "StrikeZones" instrument style shows you exactly where to touch on the screen for each note. The zones light up when touched. It is an excellent tool for understanding or teaching the layout of the instrument.
New improved graphics.
As suggested, replaced the C5 at the top of the Bass bridge with a D#5.
Bug fixes. 1.6.3 01/07/2016 1.3 12/14/2015
About Trapezoid - Hammered Dulcimer
The company that develops Trapezoid - Hammered Dulcimer is Michael Eskin. The latest version released by its developer is 3.4.
To install Trapezoid - Hammered Dulcimer on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-17 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Trapezoid - Hammered Dulcimer as malware if the download link is broken.
How to install Trapezoid - Hammered Dulcimer on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Trapezoid - Hammered Dulcimer is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Trapezoid - Hammered Dulcimer is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 3.4
posted on 2026-10-17
Version History The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
The app will respond to MIDI volume messages on the selected MIDI channel.
Performance improvements:
Works with more General MIDI player apps.
Added support for MIDI Volume messages when used as a MIDI sound module. 3.4 06/15/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Bug fixes and performance improvements:
Works with more General MIDI player apps.
More robust MIDI data parser. 3.3 06/13/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements:
Fixed issue with MIDI Controllers that send Note-On events with velocity zero instead of sending Note-Off events. 3.2.1 06/12/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements. 3.1.2 06/11/2018 Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 through D6.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements. 3.1.1 06/11/2018 Added velocity-sensitive MIDI control. Lowest note is A2 (45).
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features. 3.1 06/11/2018 Added Audiobus and Inter-App Audio support.
This means that Trapezoid can be now be used as an Inter-App Instrument for multi-track recording of your playing using Apple's GarageBand for iOS. 3.0 03/04/2016 Minor bug fixes and performance improvements. 2.2 02/10/2016 Added new "Labels Highlight" option on the settings screen to highlight the note names while playing.
Label highlights are turned on by default. 2.1.1 01/22/2016 Minor graphics changes. 2.0.2 01/16/2016 New features:
Toggle between Hard or Soft hammer sound by touching on the "Hard" or "Soft" label on the upper left corner of the screen.
There's a new control, "Soft Hammer Filter" on the control page:
- Using the "Soft Hammer Filter" control, choose between equalization of the soft hammer sounds for best sound through the iPad speaker or through headphones. The "iPad" setting optimizes the soft hammer equalization for playback through the iPad speaker. The "Headphones" setting optimizes the soft hammer sound equalization for headphones or for use when connected to an amplifier through the headphone jack. The "Headphones" setting allows more of the low frequency content of the sound to pass through for best quality.
Moved the note labels on/off control to the settings page.
Bug fixes 2.0.1 01/13/2016 Trapezoid now supports both Standard and Michigan (octave) tuning. Switch between the turnings on the settings screen.
The app now supports traditional "drag rolls" technique. Drag rolls are performed by quickly dragging your finger quickly across the string horizontally. The can be enabled or disabled on the settings screen, when you can also adjust the sensitivity. The higher the sensitivity, the shorter distance you need to move your finger to get the effect.
You may now choose between Traditional or "StrikeZones" instrument styles.
The new "StrikeZones" instrument style shows you exactly where to touch on the screen for each note. The zones light up when touched. It is an excellent tool for understanding or teaching the layout of the instrument.
New improved graphics.
As suggested, replaced the C5 at the top of the Bass bridge with a D#5.
Bug fixes. 1.6.3 01/07/2016 1.3 12/14/2015
version 3.4
posted on 2026-09-04
Version History This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
The app will respond to MIDI volume messages on the selected MIDI channel.
Performance improvements:
Works with more General MIDI player apps.
Added support for MIDI Volume messages when used as a MIDI sound module. 3.4 06/15/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Bug fixes and performance improvements:
Works with more General MIDI player apps.
More robust MIDI data parser. 3.3 06/13/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements:
Fixed issue with MIDI Controllers that send Note-On events with velocity zero instead of sending Note-Off events. 3.2.1 06/12/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements. 3.1.2 06/11/2018 Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 through D6.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements. 3.1.1 06/11/2018 Added velocity-sensitive MIDI control. Lowest note is A2 (45).
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features. 3.1 06/11/2018 Added Audiobus and Inter-App Audio support.
This means that Trapezoid can be now be used as an Inter-App Instrument for multi-track recording of your playing using Apple's GarageBand for iOS. 3.0 03/04/2016 Minor bug fixes and performance improvements. 2.2 02/10/2016 Added new "Labels Highlight" option on the settings screen to highlight the note names while playing.
Label highlights are turned on by default. 2.1.1 01/22/2016 Minor graphics changes. 2.0.2 01/16/2016 New features:
Toggle between Hard or Soft hammer sound by touching on the "Hard" or "Soft" label on the upper left corner of the screen.
There's a new control, "Soft Hammer Filter" on the control page:
- Using the "Soft Hammer Filter" control, choose between equalization of the soft hammer sounds for best sound through the iPad speaker or through headphones. The "iPad" setting optimizes the soft hammer equalization for playback through the iPad speaker. The "Headphones" setting optimizes the soft hammer sound equalization for headphones or for use when connected to an amplifier through the headphone jack. The "Headphones" setting allows more of the low frequency content of the sound to pass through for best quality.
Moved the note labels on/off control to the settings page.
Bug fixes 2.0.1 01/13/2016 Trapezoid now supports both Standard and Michigan (octave) tuning. Switch between the turnings on the settings screen.
The app now supports traditional "drag rolls" technique. Drag rolls are performed by quickly dragging your finger quickly across the string horizontally. The can be enabled or disabled on the settings screen, when you can also adjust the sensitivity. The higher the sensitivity, the shorter distance you need to move your finger to get the effect.
You may now choose between Traditional or "StrikeZones" instrument styles.
The new "StrikeZones" instrument style shows you exactly where to touch on the screen for each note. The zones light up when touched. It is an excellent tool for understanding or teaching the layout of the instrument.
New improved graphics.
As suggested, replaced the C5 at the top of the Bass bridge with a D#5.
Bug fixes. 1.6.3 01/07/2016 1.3 12/14/2015
version 3.4
posted on 2026-08-22
Version History This update from Apple will improve the functionality of this app. No new features are included.
The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
The app will respond to MIDI volume messages on the selected MIDI channel.
Performance improvements:
Works with more General MIDI player apps.
Added support for MIDI Volume messages when used as a MIDI sound module. 3.4 06/15/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Bug fixes and performance improvements:
Works with more General MIDI player apps.
More robust MIDI data parser. 3.3 06/13/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements:
Fixed issue with MIDI Controllers that send Note-On events with velocity zero instead of sending Note-Off events. 3.2.1 06/12/2018 The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements. 3.1.2 06/11/2018 Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 through D6.
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features.
Bug fixes and performance improvements. 3.1.1 06/11/2018 Added velocity-sensitive MIDI control. Lowest note is A2 (45).
Set the MIDI channel on the controls page.
Removed AudioBus and IAA features. 3.1 06/11/2018 Added Audiobus and Inter-App Audio support.
This means that Trapezoid can be now be used as an Inter-App Instrument for multi-track recording of your playing using Apple's GarageBand for iOS. 3.0 03/04/2016 Minor bug fixes and performance improvements. 2.2 02/10/2016 Added new "Labels Highlight" option on the settings screen to highlight the note names while playing.
Label highlights are turned on by default. 2.1.1 01/22/2016 Minor graphics changes. 2.0.2 01/16/2016 New features:
Toggle between Hard or Soft hammer sound by touching on the "Hard" or "Soft" label on the upper left corner of the screen.
There's a new control, "Soft Hammer Filter" on the control page:
- Using the "Soft Hammer Filter" control, choose between equalization of the soft hammer sounds for best sound through the iPad speaker or through headphones. The "iPad" setting optimizes the soft hammer equalization for playback through the iPad speaker. The "Headphones" setting optimizes the soft hammer sound equalization for headphones or for use when connected to an amplifier through the headphone jack. The "Headphones" setting allows more of the low frequency content of the sound to pass through for best quality.
Moved the note labels on/off control to the settings page.
Bug fixes 2.0.1 01/13/2016 Trapezoid now supports both Standard and Michigan (octave) tuning. Switch between the turnings on the settings screen.
The app now supports traditional "drag rolls" technique. Drag rolls are performed by quickly dragging your finger quickly across the string horizontally. The can be enabled or disabled on the settings screen, when you can also adjust the sensitivity. The higher the sensitivity, the shorter distance you need to move your finger to get the effect.
You may now choose between Traditional or "StrikeZones" instrument styles.
The new "StrikeZones" instrument style shows you exactly where to touch on the screen for each note. The zones light up when touched. It is an excellent tool for understanding or teaching the layout of the instrument.
New improved graphics.
As suggested, replaced the C5 at the top of the Bass bridge with a D#5.
Bug fixes. 1.6.3 01/07/2016 1.3 12/14/2015
version 3.4
posted on 2018-06-15
Jun 15, 2018
Version 3.4
This app has been updated by Apple to display the Apple Watch app icon.
The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
The app will respond to MIDI volume messages on the selected MIDI channel.
Performance improvements:
Works with more General MIDI player apps.
Added support for MIDI Volume messages when used as a MIDI sound module.
version 3.4
posted on 2018-06-15
This app has been updated by Apple to display the Apple Watch app icon.
The app may now be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps.
Added velocity-sensitive MIDI control. Lowest note is A2 (MIDI note 45).
MIDI range is fully chromatic from A2 to D6.
When playing via MIDI, the volume is based on the Treble bridge notes volume.
Set the MIDI channel on the controls page.
The app will respond to MIDI volume messages on the selected MIDI channel.
Performance improvements:
Works with more General MIDI player apps.
Added support for MIDI Volume messages when used as a MIDI sound module.
Disclaimer
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