Roland's pioneering spirit
was evident when they released their CR78 'Compurhythm' drum machine
The world's first programmable drum machine, it paved the way for
the company's later TR808.
It could only be programmed if you had the optional programming
add-on but nevertheless, it was still a milestone in the history
of drum machine evolution.
As you can tell from the wooden veneer cabinet, it was still aimed
primarily at organists and it came with the usual complement of
preset rhythms (rock, waltz, tango, etc.). However, it also allowed
for 'user' patterns to be stored that could be selected using the
row of four yellow pushbuttons and the controls directly above it.