A very beautiful Roland MC-4 with its box and manual for sale, fully serviced prior to sale. If you have any questions feel free to ask anytime . Show More. Reverb Buyer Protection. Reverb has your back if your item is lost, damaged, or doesn't match its description. Simply report any issues within 7 days and we'll help you get a full refund.. 先に発売された mc-8 に比べ， mc-4 のフロント・パネルは簡略化されている。 これはシフト・キーやモード・キーをつけることにより，1 つのボタンに複数の意味をもたせるようにしたためである。
![[DEMO] Roland MC09 YouTube](https://i.ytimg.com/vi/4rlIWdbSwZQ/maxresdefault.jpg "[DEMO] Roland MC09 YouTube")
The Roland MC-4 MicroComposer is an early microprocessor based music sequencer.It could be programmed using the ten key numeric keyboard or a synthesizer keyboard using the keyboards control voltage and gate outputs. The MC-4 is a polyphonicCV/Gate sequencer with four separate channels including outputs for assignable CV (filter, VCA control etc).. A look at the Roland MicroComposer / MC-4 from 1981.In 1977 Roland introduced the first ever microprocessor controlled digital sequencer, which was the MC-8.