105 bars of 6/4 -- not four -- at 220 BPM, 2:44 of playing on hi-hat, snare, mid tom, floor tom and kick.
The beat the song is built on is one bar, played through bars 33-35, 37-39 and 41-43, and 5 more places -- 34.3% of every bar the kit plays. That is the spine of it; everything else is what happens around it.
105 bars across 5 sections: 66 keep time and 35 are silent. The longest unbroken stretch of time is bars 34-63.
220 BPM, in 6/4, with the time kept in thirty-second notes. At that speed the thirty-second notes are the whole difficulty, so the room will take it down to a quarter of it and climb back.
31 out of 100 -- a fair first song -- with how many notes a second it asks for the part that decides it. The beat itself is 3 out of 100; the rest of the number is everything around it.
105 bars, about 2:44 at the written tempo. The course breaks it into 14 exercises over 5 sittings, about 22 minutes each.
hi-hat, snare, mid tom, floor tom and kick. Nothing in the part asks for anything else.