>Symphonic prog rock
>Look inside
>No symphonic structure or development, just people either noodling or sticking a bunch of unrelated shit together

>>127048759 (OP)
If you ignore the the shitty 90s general MIDI instruments (yes I know it didn't come out in the 90s) the overture sounds like a proper overture.

>>127048759 (OP)
idk if it's really symphonic but check out Chris Squire's Fish Out of Water, it's got some great orchestration and the songs actually go somewhere

>>127048759 (OP)
You forgot the usual anime avatar