This interface does resemble some instrument like qualities. Gotta love how a loop is displayed on Otto.

OTTO ~ GettingStarted
OTTO is an electronic musical instrument for realtime manual beat slicing of audio samples.
OTTO was developed by Luca De Rosso as a thesis project for his master degree in Visual and Multimedia Communications at IUAV University of Venice (April 2009), and uses the Arduino open-source hardware platform and Cycling ‘74’s Max/MSP software.

(via rjdlc:)