18 bars at 156 BPM -- fast, and 0:28 of it without a break -- on hi-hat, snare and kick.
The beat the song is built on is one bar, played through bars 1-4 -- 22.2% of every bar the kit plays. This one moves around more than most: the beat is where to start, not the whole job.
18 bars across 4 sections: 14 keep time. The longest unbroken stretch of time is bars 1-4.
156 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.
14 out of 100: straightforward, and the one thing to watch is how little of it repeats. The beat itself is 0 out of 100; the rest of the number is everything around it.
18 bars, about 0:28 at the written tempo. The course breaks it into 12 exercises over 3 sittings, about 26 minutes each.
hi-hat, snare and kick. Three pieces and no more -- this one is playable on almost anything with a kick, a snare and something to keep time on.