First introduced in 1990, the Alesis SR-16 drum machine remains relevant today thanks to its 24-bit sound engine and 233 natural-sounding drum sounds. Without programming a thing, you have access to 50 preset patterns played by pro drummers, and each preset includes, A and B variations plus two fill sections — perfect for sketching out song arrangement ideas. You can control playback via optional footswitches if you prefer, and the SR-16 even supports MIDI for even more comprehensive control.