Nah it’s just your school that’s easy, check out what groups like Chino Hills do it’s incredible. Just start learning how to play this, take it super super slow and when you come across a new rhythm or rudiment, find out ways to practice it or even try gridding it. Just slowly become comfortable looking at this difficulty of music
I don’t think it’s quite 4-4-3, it could be 4-7. In either case, the roll starts on the right hand, consists of some combination of 11 notes (including initial tap) over 3 quarter notes, then releases with the left.
