Music theory is a way of describing that cool thing you played, not the other way around
replyThe only people I know who are productive as composers or arrangers are familiar with theory.
replyBecause they can write it down. Good for them.
replyDefinitely gatekeeping. I'm no wiz by any means, but I've done (and still do) a fair amount of paid work (gigs, studio recordings, teaching, etc.) and I would not describe Grade 5 ABRSM as "very basic"
replyRetiring from music due to RSI suggests practical experience.
replyDisclosure: Musician