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New Hammered Dulcimer App for Android
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Author:  eskin [ Mon Jul 25, 2016 10:11 am ]
Post subject:  New Hammered Dulcimer App for Android

My Trapezoid Hammered Dulcimer app is now available for Android!

I believe it is the first traditional-style hammered dulcimer instrument app available on the platform!

Thank you to my friend, bandmate, and accordionist extraordinaire David Lindquist for porting the app from iOS to Android!

Features James Jones dulcimer samples used with permission by Jesse Chappell of his father’s fine instrument.

Price is only $0.99 for the first week on the Google Play Store! ... .trapezoid

More info at

Author:  eskin [ Sat Jul 30, 2016 3:35 pm ]
Post subject:  Re: New Hammered Dulcimer App for Android

We've opened up the hardware requirements for the Trapezoid hammered dulcimer app on Android to allow it to be installed on more devices: ... .trapezoid


Trapezoid is the amazing Hammered Dulcimer app for Android that sounds and plays like the real instrument.

Promotional price of $0.99 for the first week on the Google Play Store!

Before purchasing, please read the "Important" section at the end of this description for information on specific Android device support.

The Hammered Dulcimer is a popular stringed instrument for American folk music and traditional Irish music.

Quick response and a huge sound make this dulcimer app like no other.

Trapezoid emulates a 12/11-style Hammered Dulcimer.

12/11 means there are 12 bridges on the Treble (left) side of the instrument, 11 bridges on the Bass (right) side of the instrument. The left side of the Treble bridge is 5 scale tones above the right (a fifth).

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 the real instrument.

To play a scale, start on any white bridge marker, play 4 notes up the same bridge, then switch to the other side of the bridge at the white marker where you started and play up 4 more notes. If you start on the Bass bridge, switch to the white marker on the right side of the Treble bridge.

To get repeated note "drag roll" effects as are done on the read instrument, drag quickly horizontally across the strings. The sensitivity of the drag effect may be set in the control panel.

Touch the "?" on the upper left corner to show the note names for the strings.

Touch the "i" to bring up the settings screen where you can enable or disable the drag roll feature and set the roll sensitivity for how far you need to drag to get the roll effect.

Touch the button below the "?" to toggle between Standard and Michigan (octave) tuning.

Touch the "Shhh" button on the upper right corner to quiet all the strings.

Because of the large number of strings that can be played, the app works best on the larger screen Android phones and tablet.

Samples of Wes Chappell's fantastic Hammered Dulcimer provided by Jesse Chappell at The instrument was built by James Jones, from Bedford, VA.

Hammered Dulcimers are found in many forms worldwide including the Cimbalom in Eastern Europe, the Santur in Iran, Iraq, and India, and the Yangqin in China.


This app requires an Android phone or tablet with strong CPU and audio hardware capabilities to work best. Rather than restrict the app to a very small number of specific devices, we've decided to allow the app up to be installed on nearly every multi-touch capable device. We believe that the app will run well on many devices that do not specifically claim support for high-performance low-latency audio in their Android device capabilities, but cannot guarantee that Trapezoid will work well on your specific device, especially if it is a very low-end (<$50 typically) tablet. If the app does not function properly on your device, please request a refund immediately through the Google Play Store during the two-hour evaluation period.

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