119 bars at 170 BPM -- fast, and 2:48 of it without a break -- on crash, hi-hat, snare and kick.
35 out of 100 -- a fair first song -- with the independence between the hands and the feet the part that decides it.
silence through bars 1-20, kick and crashes through bars 21-34, silence through bars 35-41, hi-hat through bars 42-56, snare through bars 57-62 and hi-hat through bars 63-83, and 4 more changes after that.
The beat the song is built on is one bar, played through bars 63-83 and 112-118 -- 32.9% of every bar the kit plays. That is the spine of it; everything else is what happens around it.
63
1e+a2e+a3e+a4e+a
HH |--x---x---x---x-|
SD |----x-x-----x-x-|
BD |x-x-----x-x-----|There are no fills to speak of: the part holds one beat the whole way through.
It cuts the song into 19 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.
170 BPM, in 4/4, 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.
35 out of 100 -- a fair first song -- with the independence between the hands and the feet the part that decides it. The beat itself is 44 out of 100; the rest of the number is everything around it.
119 bars, about 2:48 at the written tempo. The course breaks it into 19 exercises over 5 sittings, about 27 minutes each.
crash, hi-hat, snare and kick. Nothing in the part asks for anything else.