109 bars of 8/4 -- not four -- at 158 BPM, 5:11 of playing on crash, ride, hi-hat, snare, mid tom, floor tom and kick.
66 out of 100: demanding, mostly on the independence between the hands and the feet.
silence through bars 1-8, snare through bars 9-10, hi-hat through bars 11-16, snare through bars 17-36, toms through bars 37-40 and ride through bars 41-48, and 4 more changes after that.
The beat the song is built on is a 2-bar phrase, played through bars 17-32 -- 31.4% of every bar the kit plays. That is the spine of it; everything else is what happens around it.
17 18
1.....2.....3.....4.....5.....6.....7.....8..... 1.....2.....3.....4.....5.....6.....7.....8.....
CC |x-----x-----x-----x-----x-----x-----x-----x-----|x-----x-----x-----x-----x-----x-----x-----x-----|
SD |------x-----------x-----------x-----------x-----|------x-----------x-----------x-----------x---x-|
BD |x---x-----x---x-----x---x---x-x---x-----x---x---|--x---x---x-x---x-----x---x-----x---x---x-x---x-|1 fill to learn, played 5 times: bars 36, 37, 38, 39 and 40.
It cuts the song into 24 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.
158 BPM, in 8/4, 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.
66 out of 100: demanding, mostly on the independence between the hands and the feet. The beat itself is 64 out of 100; the rest of the number is everything around it.
109 bars, about 5:11 at the written tempo. The course breaks it into 24 exercises over 9 sittings, about 24 minutes each.
crash, ride, hi-hat, snare, mid tom, floor tom and kick. That is most of a full kit; the part moves around it rather than sitting in one place.
1 fill to learn, played 5 times: bars 36, 37, 38, 39 and 40.