The first music created on an Harmonic Table key surface and published was done on a proto-type built by Nik Love. It was "Conquistador", written by Colin Angus. (available @ iTunes)
The AXiS-64 was first used live by Dino Soldo on world tour with Lionel Richie 2007.
On an Harmonic Table you could play Für Elise with one hand. See It.
The reacTogon performance arpeggiator is based on the Harmonic Table
Here's a short list of other works made with the Harmonic Table.
The Harmonic Table can be used to make stringed instruments like this bass guitar.