Is there a way to change the master tempo in Garageband after you've already recorded some audio tracks?

Use case:

  1. Create analog audio tracks (e.g. record guitar, voice, etc.)
  2. Manually figure out the tempo of the recorded audio
  3. Set the master tempo to this value
  4. Add a drummer track which plays at this tempo

Any time you change the master tempo, it re-times all the tracks, which is exactly NOT what I want it to do. I want it to not touch my analog audio tracks, and just add a drum track at the tempo I specify.

I realize Garageband isn't really intended for use as a DAW, but this seems like such a simple -- and common -- use case. Yes, I know I could create the drum track first and pay along with it; but that's not the question.

Any ideas?

  • Great question. I also felt like this was a dead obvious use case, and I can't believe that there's no answer yet. Could it be it's not possible?
    – Quantum7
    Commented May 23, 2019 at 20:21
  • Answered my own question: it's just the ol' "you have to pay for that feature" trick. Commented May 24, 2019 at 21:45

1 Answer 1


Turns out there's a simple answer: all this is supported in Logic. Garageband and Logic are the same piece of software; Garageband is the limited version.

I upgraded to Logic after being frustrated with this (and many other limitations). It was well worth it.

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