Getting drummer to sync with pre-recorded track

I have a prerecorded mixed stereo track. I'd like to add bass and drums.

If I start the session by importing the stereo wav file, Logic can sense the minor changes in rhythm and show that on the ruler. I can't get drummer to follow the tempo variations. If this is NOT currently a feature, it should be. Thanks!!

Ty Ford

Posted on Jun 3, 2025 05:48 AM

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2 replies

Jun 3, 2025 06:58 AM in response to Ty Ford1

Sir,

You need to grasp "Smart Tempo" to get this to work accurately. First, you need Logic to read the Prerecorded mix. To do this, use "Adapt Mode" and then import the file.


Logic should then give you a variable tempo. Change the Project Tempo Mode back to the default "Keep Tempo".


The session players should now be able to perform minute changes with a variable tempo. The trick is getting Logic to extract the Tempo Map. Best of luck.


Hope this helps,

Eddie G.




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Getting drummer to sync with pre-recorded track

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