Smooth 11 treble switches + Palm switch and 7 bass switches. Treble Switches: Bassoon (L), Accordion (LMM), Bandoneon (LM), Harmornium (LMH), Organ (LH), Master (LMMH), Musette (MMH), Violin (MM), Oboe (MH), Clarinet (M), Piccolo (H). Bass Switches: 5 regular bass switches and 2 FreeBass control switches