I had an opportunity to put together all of Roland's analogue, modular (or semi-modular) synthesizers in the same place at the same time. System 100 Model 101 (1975) System 700 Blocks 1, 6 and 7 (1976) System 100m Complete (1979) except 182 replaced with Ryk 185 System 500 "Complete Set" (2016)