Roland MC-505 Classic Music Groovebox Rhythm Machine Sequencer Mixer
Roland MC-505 Groovebox Music Sequencer. - 714 preset sequencer patterns, 200 user patterns, 50 user songs. - 512 built-in preset sounds, 256 user sounds & 26 rhythm sets (includes the Roland CR-78, TR-808, TR-606, TR-909, TR-707 and R-8).