94 bars at 168 BPM -- fast, and 2:14 of it without a break -- on crash, ride, hi-hat, snare, high tom, mid tom and kick.
69 out of 100: demanding, mostly on how much of it falls off the beat.
ride through bars 1-10, hi-hat through bars 11-24, silence through bars 25-28, hi-hat through bars 29-44, ride through bars 45-48 and hi-hat through bars 49-52, and 5 more changes after that.
The beat the song is built on is a 2-bar phrase, played through bars 29-40 -- 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.
29 30
1...........2...........3...........4........... 1...........2...........3...........4...........
HH |o-----------------------o-----------------------|o-----------------------o-----------------------|
SD |------------------------x-----------------------|------------------------x-----------------------|
BD |x-x-x-x-----x-x-x-x-----------------x-x-x-x-----|x-x-x-x-----------------------------------------|4 fills to learn, played 5 times: bars 5, 6, 10, 16 and 20.
It cuts the song into 39 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.
168 BPM, in 4/4, with the time kept in thirty-second notes. At that speed the thirty-second 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 much of it falls off the beat. The beat itself is 50 out of 100; the rest of the number is everything around it.
94 bars, about 2:14 at the written tempo. The course breaks it into 39 exercises over 14 sittings, about 24 minutes each.
crash, ride, hi-hat, snare, high tom, mid tom and kick. That is most of a full kit; the part moves around it rather than sitting in one place.
4 fills to learn, played 5 times: bars 5, 6, 10, 16 and 20.