86 bars of 4/4 at 140 BPM, about 2:27 of playing, on hi-hat, snare and kick.
The beat the song is built on is one bar, played through bars 1-86 -- 100% of every bar the kit plays. Learn that one and the song is very nearly finished.
86 bars: 86 keep time. The longest unbroken stretch of time is bars 1-86.
140 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.
100 out of 100. Hard, and what makes it hard is how many notes a second it asks for. The beat itself is 93 out of 100; the rest of the number is everything around it.
86 bars, about 2:27 at the written tempo. The course breaks it into 3 exercises over 2 sittings, about 21 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.