Band in a box has certain enhancements to the sound due to panning, effect and such that are not added in Rb this is that you can do the mixing and mastering in RB. RB is a Trus DAW software and you can add more tracks, cut and paste stuff and do extensive recording, BiaB is an auto accompaniment program designed to build a completed song in seconds, but it lacks the abilityu to completely rework that to the extent RB allows. So the result of RB is a tad bland out of the gate. But if you go in and take it track by track, you can add all those enhancements and make it sound great

Part of the track sounding different is due to the above issues, but once you do the effect, and polishing they begin to sound very much the same.

Lenovo Win 10 16 gig ram, Mac mini with 16 gig of ram, BiaB 2022, Realband, Harrison Mixbus 32c version 9.1324, Melodyne 5 editor, Presonus Audiobox 1818VSL, Presonus control app, Komplete 49 key controller.