120 bars of 3/4 -- not four -- at 225 BPM, 1:48 of playing on crash, ride, hi-hat, snare, high tom, mid tom, floor tom and kick.
75 out of 100: demanding, mostly on how many notes a second it asks for.
hi-hat through bar 1, ride through bars 2-5, snare through bars 6-8, ride through bars 9-15, hi-hat through bars 16-17 and toms through bars 18-20, and 15 more changes after that.
The beat the song is built on is one bar, played through bars 102-116 -- 14.3% of every bar the kit plays. This one moves around more than most: the beat is where to start, not the whole job.
102
1e+a2e+a3e+a
CC |x-----x-----|
BD |xxxxxxxxxxxx|8 fills to learn, played 25 times: bars 5, 6, 7, 9, 10, 12 and 19 more.
It cuts the song into 33 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.
225 BPM, in 3/4, 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.
75 out of 100: demanding, mostly on how many notes a second it asks for. The beat itself is 39 out of 100; the rest of the number is everything around it.
120 bars, about 1:48 at the written tempo. The course breaks it into 33 exercises over 11 sittings, about 26 minutes each.
crash, ride, hi-hat, snare, high tom, mid tom, floor tom and kick. That is most of a full kit; the part moves around it rather than sitting in one place.
8 fills to learn, played 25 times: bars 5, 6, 7, 9, 10, 12 and 19 more.