91 bars, 6:01, at 60 BPM: slow enough that every note is exposed. Crash, ride, hi-hat, snare, high tom, mid tom, floor tom and kick and nothing else.
70 out of 100: demanding, mostly on how much of it falls off the beat.
ride through bars 1-17, toms through bars 18-33, ride through bars 34-45, snare through bars 46-47, toms through bars 48-51 and snare through bars 52-59, and 5 more changes after that.
The beat the song is built on is one bar, played through bars 1-17 and 38-39 -- 20.9% of every bar the kit plays. This one moves around more than most: the beat is where to start, not the whole job.
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1.......2.......3.......4.......
RD |x-------x-------x-------x-------|9 fills to learn, played 27 times: bars 24, 25, 26, 28, 30, 32 and 21 more.
It cuts the song into 38 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.
60 BPM, in 4/4, with the time kept in thirty-second notes. Slow enough to hear every mistake, which is why the room lets you sit at the written tempo rather than under it.
70 out of 100: demanding, mostly on how much of it falls off the beat. The beat itself is 0 out of 100; the rest of the number is everything around it.
91 bars, about 6:01 at the written tempo. The course breaks it into 38 exercises over 13 sittings, about 23 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.
9 fills to learn, played 27 times: bars 24, 25, 26, 28, 30, 32 and 21 more.