85 bars at 300 BPM -- fast, and 1:08 of it without a break -- on crash, ride, hi-hat, snare, mid tom and kick.
69 out of 100: demanding, mostly on how many notes a second it asks for.
snare through bars 1-8, hi-hat through bars 9-34, snare through bars 35-36, ride through bars 37-50, toms through bars 51-52 and ride through bars 53-59, and 3 more changes after that.
The beat the song is built on is one bar, played through bars 38-44, 46-50 and 54-57, and 1 more place -- 26.5% of every bar the kit plays. That is the spine of it; everything else is what happens around it.
38
1e+a2e+a3e+a4e+a
RD |x---x---x---x---|
SD |----x-------x---|
BD |x-x-x-x-x-x-x-x-|5 fills to learn, played 11 times: bars 5, 6, 7, 8, 20, 35 and 5 more.
It cuts the song into 23 exercises -- the grooves, the fills, and the joins between sections, which is where players actually come off -- and puts them in the order a teacher would. Each one opens on a reduction you can already play and adds the notes back a rung at a time, with a tempo to reach and a gate to pass before the next.
300 BPM, in 4/4, with the time kept in sixteenth notes. At that speed the sixteenth notes are the whole difficulty, so the room will take it down to a quarter of it and climb back.
69 out of 100: demanding, mostly on how many notes a second it asks for. The beat itself is 59 out of 100; the rest of the number is everything around it.
85 bars, about 1:08 at the written tempo. The course breaks it into 23 exercises over 8 sittings, about 23 minutes each.
crash, ride, hi-hat, snare, mid tom and kick. That is most of a full kit; the part moves around it rather than sitting in one place.
5 fills to learn, played 11 times: bars 5, 6, 7, 8, 20, 35 and 5 more.