65 bars of 5/4 -- not four -- at 165 BPM, 1:50 of playing on crash, ride, hi-hat, snare, high tom, mid tom, floor tom and kick.
70 out of 100: demanding, mostly on the independence between the hands and the feet.
kick and crashes through bar 1, ride through bars 2-19, snare through bars 20-21, ride through bars 22-38, kick and crashes through bars 39-43 and snare through bars 44-45, and 2 more changes after that.
The beat the song is built on is one bar, played through bars 49-56 and 65-69 -- 18.6% of every bar the kit plays. This one moves around more than most: the beat is where to start, not the whole job.
50
1e+a2e+a3e+a4e+a
HH |--o---o---o---o-|
SD |--x---x---x---x-|
BD |xx--x---xx--x---|9 fills to learn, played 25 times: bars 1, 2, 3, 5, 9, 10 and 19 more.
It cuts the song into 22 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.
165 BPM, in 5/4, 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.
70 out of 100: demanding, mostly on the independence between the hands and the feet. The beat itself is 47 out of 100; the rest of the number is everything around it.
65 bars, about 1:50 at the written tempo. The course breaks it into 22 exercises over 8 sittings, about 25 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 25 times: bars 1, 2, 3, 5, 9, 10 and 19 more.