The beat the song is built on is one bar, played through bars 4-15, 17-21 and 23-38, and 3 more places -- 95.7% of every bar the kit plays. Learn that one and the song is very nearly finished.
It is played on ride and snare, counted in sixteenth notes. On its own it scores 5 out of 100 -- straightforward -- and the thing that decides that is how much of it falls off the beat.
The whole song is 16 out of 100, so the beat is not the hard part: what costs you is everything around it, the joins and the fills.
The room opens this beat on its simplest reduction, at 53 BPM, and adds the notes back a rung at a time -- 3 of them. Nothing is a matter of opinion: each rung has a tempo to reach and a gate to pass before the next one.
Tempo goes 53, 61 and 70 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 ride and snare, in 4/4 at 70 BPM, counted in sixteenth notes. It is written out above, and it covers 95.7% of the bars the kit plays.
Bars 4-15, 17-21, 23-38 and 40-52, and 2 more places. The time is kept on the silence to start with, and it changes 3 times over the song.
5 out of 100 on its own -- straightforward. The song as a whole is 16 out of 100: straightforward, and the one thing to watch is how much of it falls off the beat.