The beat the song is built on is one bar, played through bars 1-12, 26-29 and 47-62 -- 53.3% of every bar the kit plays. Learn that one and most of the song is already under your hands.
It is played on crash and kick, counted in sixteenth notes. On its own it scores 25 out of 100 -- a fair first song -- and the thing that decides that is how much of it falls off the beat.
The whole song is 28 out of 100, so the beat is most of what the song asks for. Get it clean and the rest follows.
The room opens this beat on its simplest reduction, at 69 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 69, 81 and 92 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 crash and kick, in 4/4 at 92 BPM, counted in sixteenth notes. It is written out above, and it covers 53.3% of the bars the kit plays.
Bars 1-12, 26-29 and 47-62. The time is kept on the kick and crashes to start with, and it changes 5 times over the song.
25 out of 100 on its own -- a fair first song. The song as a whole is 28 out of 100 -- a fair first song -- with how much of it falls off the beat the part that decides it.