One of my lsetups before Arrangers was a U20 on top of a Ensoniq Piano with Roland Bass Pedals below. I think my drum machine at the time was a Roland CR80. Wish I still had the CR80, simple and good sounding machine.
U20 had a handful of great sounds I liked.
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Bill in SC --- Roland BK9 (2) Roland BK7M, Roland PK5 Pedals, Roland FP90, Roland CM30 (2), JBL Eon Ones (2) JBL 610 Monitor, Behringer Sub, EV mics, Apple iPad (2) Behringer DJ mixer