Akai MPCs (originally MIDI Production Center, now Music Production Controller) are a popular series of electronic musical instruments originally designed by Roger Linn and produced by the Japanese company Akai from 1988 onward. Intended to function as a powerful kind of drum machine, the MPCs drew on design ideas from machines such as the Sequential Circuits Inc. Studio 440 and the Linn's own Linn 9000, combining a powerful MIDI sequencer with the ability to sample one's own sounds. A major influence to Roger Linn's design was his love of rubber pads and how they could be pushed, prodded, and banged; this can be seen clearly in his designs especially from the MPC-60 onwards. Linn also had a passion for squares: thus, no round pads on the MPC Series. Later models feature increasingly powerf