32 bars of 4/4 at 115 BPM, about 1:07 of playing, on crash, snare, mid tom, floor tom and kick.
The beat the song is built on is one bar, played through bars 5-8 and 29-32 -- 25% of every bar the kit plays. That is the spine of it; everything else is what happens around it.
32 bars across 6 sections: 20 keep time, 1 is a fill and 6 are stops. The longest unbroken stretch of time is bars 1-4.
115 BPM, in 4/4, with the time kept in sixteenth notes. The room plays it at any tempo from a quarter of that up to the written one, against the record where the record can follow.
21 out of 100: straightforward, and the one thing to watch is how often it moves around the kit. The beat itself is 0 out of 100; the rest of the number is everything around it.
32 bars, about 1:07 at the written tempo. The course breaks it into 16 exercises over 4 sittings, about 25 minutes each.
crash, snare, mid tom, floor tom and kick. Nothing in the part asks for anything else.