iPad Music Software: BomCat has released i505 – a free app that turns your iPad into a drum machine:
Sit back with the i505 and start creating beats using classic sounds from one of the most venerable drum machines of the 80′s.
The i505 allows you play free-form as well as record your old-school beats using the built in sequencer. Tap the grid and the window will expand so you can edit your creation. Use the tempo wheel to speed up or slow down the beats per minute.