The note after the slash is for the bass player. In BIAB, it’s often assumed the keyboard will use that as a root but that isn’t always the case.


BIAB 2026 Audiophile Mac
24Core/60CoreGPU M2 MacStudioUltra/8TB/192GB Sequoia/Tahoe, M1 & M5 MBAir, 2012 MBP
Digital Performer11, Logic, Finale27/Dorico/Encore/SmartScore/Notion/Overture