Tempo line how to adjust tempo to an audio

I do not know how to adjust line tempo to an audio with a tempo no linear.

Easy to modify audio track to a tempo line but the inverse ?

Thank you for your answer

Start by reading this section in the manual:

Then curse the manual for being so useless and watch this video : https://youtu.be/MFiFTv-k3KY?si=VIlfELxzhNpkE5Rb

:rofl: It’s difficult to throw a pdf against the floor though!

(I am a rtfm guy, but yeah.)