I'm not aware that such a function currently exists. Not sure how if could be done in Real Time, but should be workable, as BiaB has the ability to generate future parts of a song while earlier parts are playing.

+1


BIAB & RB2026 Win.(Audiophile), Windows 10 Professional & Windows 11, Sonar Platinum, Cakewalk by Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, NS40M Monitors, Pioneer Active Monitors