I go through a procedure for mapping a film score canvas for Musescore 4 (which currently has a great play engine and library, but no synchronization capability). Here, I use Ardour to create a tempo and meter event map that we can transfer to Musescore:
https://youtu.be/rB32OwtEkVA
Here is a deeper discussion on calculating cue timings directly from SMPTE time code without the use of a workstation or synchronization capability in the notation program (the "old-school" way of doing things):
https://youtu.be/FOwj4IlTZ-o
Grab a cup of coffee for these discussions and demonstrations.
Enjoy!
-Carl