98 bars of 3/4 -- not four -- at 168 BPM, 1:54 of playing on crash, ride, hi-hat, snare, high tom, mid tom, floor tom and kick.
73 out of 100: demanding, mostly on the independence between the hands and the feet.
snare through bar 1, hi-hat through bars 2-18, ride through bars 19-35, hi-hat through bars 36-40, snare through bars 41-44 and ride through bars 45-58, and 7 more changes after that.
The beat the song is built on is one bar, played through bars 20-35 -- 17.6% of every bar the kit plays. This one moves around more than most: the beat is where to start, not the whole job.
20
1e+a2e+a3e+a
RD |----x---x---|
HH |o-----------|
SD |----x---x-x-|
BD |x-----------|2 fills to learn, played 5 times: bars 59, 60, 96, 97 and 98.
It cuts the song into 31 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 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.
73 out of 100: demanding, mostly on the independence between the hands and the feet. The beat itself is 25 out of 100; the rest of the number is everything around it.
98 bars, about 1:54 at the written tempo. The course breaks it into 31 exercises over 10 sittings, about 27 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.
2 fills to learn, played 5 times: bars 59, 60, 96, 97 and 98.