81 bars of 4/4 at 122 BPM, about 2:39 of playing, on snare, mid tom, floor tom and kick.
The beat the song is built on is one bar, played through bars 2-7, 9-11 and 18-19, and 15 more places -- 56.8% of every bar the kit plays. Learn that one and most of the song is already under your hands.
81 bars: 81 keep time. The longest unbroken stretch of time is bars 1-81.
122 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.
18 out of 100: straightforward, and the one thing to watch is the independence between the hands and the feet. The beat itself is 0 out of 100; the rest of the number is everything around it.
81 bars, about 2:39 at the written tempo. The course breaks it into 8 exercises over 3 sittings, about 24 minutes each.
snare, mid tom, floor tom and kick. Nothing in the part asks for anything else.