One thing i though of was to use Real Band instead of BiaB, and then to trigger the harmonies duplicate the piano track, or accoustic guitar , and route that to the TC, and the original to softsynth.


HP Win 11 12 gig ram, Mac mini Sonoma with 16 gig of ram, BiaB/RB 2026, Reaper 7, Harrison Mixbus 11 , Presonus Audiobox USB96