21 bars of 6/4 -- not four -- at 180 BPM, 0:41 of playing on crash, ride, hi-hat, snare and kick.
The beat the song is built on is one bar, played through bars 5-7 and 9-11 -- 54.5% of every bar the kit plays. Learn that one and most of the song is already under your hands.
21 bars across 3 sections: 11 keep time and 10 are silent. The longest unbroken stretch of time is bars 4-14.
180 BPM, in 6/4, 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.
28 out of 100 -- a fair first song -- with how often it moves around the kit the part that decides it. The beat itself is 22 out of 100; the rest of the number is everything around it.
21 bars, about 0:41 at the written tempo. The course breaks it into 5 exercises over 2 sittings, about 22 minutes each.
crash, ride, hi-hat, snare and kick. Nothing in the part asks for anything else.