Mini-Composer is an iPhone App from Karl Bartos (Kraftwerk) and Masayuki Akamatsu. It’s a simple App with a few drum machine loops each matched with a moving graphic such as a man walking or a flickering television set. You also have a Tenori style sequencer. It’s free future like fun.
“The app include four different drumbeats to which you can compose your own melody: ”Apeman”: 128 bpm / sine wave, ”Clock”: 92 bpm / triangle, ”Interview”: 116 bpm / sawtooth – ”TV”: 100 bpm / square. You can work easily with the following functions: 16 steps sequencer, Start/stop sequence, Multi-touch note input/erease, 4 waves (saw, triangular, square, sine), 4 drumbeat loops, Drums on/off, Random notes, Clear notes” – karlbartos.com