67 bars of 3/4 -- not four -- at 86 BPM, 2:54 of playing on crash, ride, hi-hat, snare, kick and hi-hat foot.
The beat the song is built on is one bar, played through bars 43-58 -- 26.7% of every bar the kit plays. That is the spine of it; everything else is what happens around it.
67 bars across 8 sections: 53 keep time, 2 are stops and 7 are silent. The longest unbroken stretch of time is bars 43-58.
86 BPM, in 3/4, with the time kept in thirty-second 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.
61 out of 100, a step up from a first song, and the work is in how fine the subdivision is. The beat itself is 40 out of 100; the rest of the number is everything around it.
67 bars, about 2:54 at the written tempo. The course breaks it into 21 exercises over 8 sittings, about 22 minutes each.
crash, ride, hi-hat, snare, kick and hi-hat foot. That is most of a full kit; the part moves around it rather than sitting in one place.