While you can open a Biab song in RB you cannot open a RB song in Biab unless was it saved as a midi file. In that case Biab would only open it on the Melody track. RB songs are saved as .seq files. What exactly did you do?

Bob


Biab/RB latest build, Win 11 Pro, Ryzen 5 5600 G, 512 Gig SSD, 16 Gigs Ram, Steinberg UR22 MkII, Roland Sonic Cell, Kurzweil PC3, Hammond SK1, Korg PA3XPro, Garritan JABB, Hypercanvas, Sampletank 3, more.