> I'm thinking of laying down the audio below the master shot in the timeline, then plugging in
> the other angles as needed
Whichever method you use, Multiclip or otherwise, always make sure you have a "Sync Sequence" -- one sequence where all the audio and angles are synced up, with no edits whatsoever. Then you can edit the actual piece by making a duplicate of the Sync Sequence and then renaming it. Also, if you lose an angle or audio for an angle, then you just fly to the Sync Sequence, locate the missing piece with timecode, and voila.
This older thread might help -- comes with screen captures from my timeline when I edited a music video with about 50 different angles:
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