83 bars, 4:45, at 70 BPM: slow enough that every note is exposed. Crash, hi-hat, snare and kick and nothing else.
The beat the song is built on is one bar, played through bars 2, 4 and 6, and 38 more places -- 50.6% of every bar the kit plays. Learn that one and most of the song is already under your hands.
83 bars: 83 keep time. The longest unbroken stretch of time is bars 1-83.
70 BPM, in 4/4, with the time kept in sixteenth notes. Slow enough to hear every mistake, which is why the room lets you sit at the written tempo rather than under it.
76 out of 100: demanding, mostly on the independence between the hands and the feet. The beat itself is 67 out of 100; the rest of the number is everything around it.
83 bars, about 4:45 at the written tempo. The course breaks it into 5 exercises over 4 sittings, about 18 minutes each.
crash, hi-hat, snare and kick. Nothing in the part asks for anything else.