The beat the song is built on is one bar, played through bars 2-8, 10-17 and 20-21, and 9 more places -- 35.9% of every bar the kit plays. Learn that one and most of the song is already under your hands.
It is played on hi-hat, snare and kick, counted in sixteenth notes. On its own it scores 53 out of 100 -- a step up -- and the thing that decides that is how many notes a second it asks for.
The whole song is 76 out of 100, so the beat is not the hard part: what costs you is everything around it, the joins and the fills.
A part this hard is not learned by playing it slowly and hoping. The room opens it on its simplest reduction -- the timekeeper alone, at 88 BPM -- and adds the notes back over 4 rungs, each with a tempo to reach and a gate to pass before the next.
Tempo goes 88, 104, 119 and 135 BPM, and the gate at each one is 8 loops in a row with no wrong note and no wobble in the time.
PRACTISE THIS BEAT →A one-bar groove on hi-hat, snare and kick, in 4/4 at 135 BPM, counted in sixteenth notes. It is written out above, and it covers 35.9% of the bars the kit plays.
Bars 2-8, 10-17, 20-21 and 24, and 8 more places. The time is kept on the kick and crashes to start with, and it changes 20 times over the song.
53 out of 100 on its own -- a step up. The song as a whole is 76 out of 100: demanding, mostly on the independence between the hands and the feet.