Always used it on the B3 and still use it all the time on the BK9. Can't play a Hammond sound without it.
Back before digital pianos there was a guy who could get a decent piano emulation on a Hammond with the Percussion. But my music teacher told me every time he walked around the bar to see what it was he got iff of it. Jimmy Smith taught some of the other soon to be great players how to use it and they all copied him . We still use that Jimmy Smith setting today.
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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