I mark up music, as I listen to it, in Avid by using 4 different coloured markers - e.g. Red for 1st beat in bar/measure, Green/Blue/Cyan for 2nd/3rd/4th...
I've used this for years and it's a good way for me to quickly cut down a track (e.g. cut out a section from Green marker to Green marker). I still have to trim to make the edits work, use waveforms etc, but the markers get me in the ballpark quickly.
In PP I've never found an easy way to do this. I can assign *change marker colours* and successfully add sequence markers in different colours, but these do not work for adding markers when clips are selected, or in the source monitor.
If anyone has any great workarounds I'd love to hear them. (In my dreams there would be a plug in that would beat detect a track and add markers automagically).