It is a bit like the PixelWave experimental synth, but now you can
draw the spectrum of sound!
* multitouch arpeggiator;
* export to WAV (via iTunes File Sharing);
* copy to share with another iOS sound apps;
* eight predefined timbres;
* changeable number of octaves (from 2 to 8);
* it is possible to draw the spectrum and play it at the same time.