MIDI supports 16 channels at a time, but BIAB uses more channels than may be apparent at first. The harmony you can apply to the melody or soloist takes up several additional channels, for example.

You can always take the song into RealBand, which has (I think) 48 tracks.


BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.