In this Jan. 11, 2013 photo, Ikutaro Kakehashi, right, speaks next to composer Akira Senju during a press conference after he received a Grammy, for developing MIDI, or Musical Instrumental Digital Interface, technology, which digitally connects instruments, in Hamamatsu, central Japan.  Kakehashi,  who pioneered digital music and founded synthesizer giant Roland Corp., has died, his company ATV Corp. said Monday, April 3, 2017.  He was 87.  (Kyodo News via AP)
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