I am an very amateur musician (guitar and vocals only, and if it’s not in 4/4 or 3/4 or a similar equivalent like 6/8 or whatever- I will get lost rhythmically right away and play horribly!) BUT I appreciate prog more than any other genre! Granted, my best friend introduced most of it to me and he’s a lifelong musician and very skilled session drummer- spending tons of time with him listening to all of these albums while he points out things I wasn’t even hearing prior to him highlighting it… that’s been a massive boon, and has improved my listening skills probably tenfold, and therefore significantly depended my appreciation of (many of) these bands. That said, I was deeply in love with bands like Porcupine Tree and Karnivool and Chroma Key long before I improved my listening ability so it’s definitely still for the rest of us, although I agree for the most part that musicians appreciate a lot of facets more deeply, which is a wonderful thing:)