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I'm running into an issue and I'm not sure if it's user error because I'm doing something wrong or if there's a bug of some sort (Mac).

No bug. BIAB wants to redo bass and drums every time you hit Play. This emulates a live performance in that bassists and drummers in many genres never play the same song the same way twice. There are ways around this including Freeze, using MIDI instead of RealTracks on some songs and Export. The manual is quite helpful and goes into this in greater detail.

When a song sounds the way I like, I Export the individual tracks and open them in my DAW of choice (not GarageBand since it turns everything into stereo tracks but there are those who use it). This is where I edit my performances down to the gnat's whisker—I'd go nuts trying to achieve that level of control in BIAB.

PGMusic decided years ago that, since GarageBand is free with the macOS, it made no sense to port RealBand over. That's unfortunate but there are many free and low-cost DAWs for the Mac nowadays.


BIAB 2024 Audiophile Mac
24Core/60CoreGPU M2 MacStudioUltra/8TB/192GB Sequoia, M1 MBAir, 2012 MBP
Digital Performer11, LogicPro, Finale27/Dorico/Encore/SmartScorePro64/Notion6 /Overture5