25 bars at 156 BPM -- fast, and 0:38 of it without a break -- on crash, hi-hat, snare and kick.
The beat the song is built on is one bar, played through bars 9-16 -- 32% of every bar the kit plays. That is the spine of it; everything else is what happens around it.
25 bars across 3 sections: 21 keep time and 2 are stops. The longest unbroken stretch of time is bars 7-16.
156 BPM, in 4/4, with the time kept in sixteenth notes. At that speed the sixteenth notes are the whole difficulty, so the room will take it down to a quarter of it and climb back.
67 out of 100: demanding, mostly on the independence between the hands and the feet. The beat itself is 36 out of 100; the rest of the number is everything around it.
25 bars, about 0:38 at the written tempo. The course breaks it into 10 exercises over 4 sittings, about 21 minutes each.
crash, hi-hat, snare and kick. Nothing in the part asks for anything else.