I sampled an octave or two of my piano into an AKAI MPC2000XL to make this song. The B part is pitched up but it's the same samples. Then there's drum samples as well as synths added later on in FL Studio. I played the sounds on the 16 pads to get the melody.

Not your usual piano recording but I wanted to share anyway.

Also, here's a song made with an MPC that samples a tape recording of Sorabji. It was also played on the pads of the MPC.

http://jdsy.bandcamp.com/track/sorabji-b

thanks for listening!
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Yamaha CP20
Yamaha EL25
Baldwin Hamilton Studio Upright 1963
http://jdsy.bandcamp.com/album/solo-piano-improv