that fall on the ‘+’ and ‘a’ of beat 1.
the ghost note snare drums that fall on the ‘a’ and ‘e’ of beats 2 and 3 are played in between the hi-hats. all four bars also have a ghost note on the ‘e’ of beat 1, again played in between the hi-hats.
the ghost notes played on the ‘a’ of beat 2 and the ‘a’ of beat 4 (for bars 1, 2 and 3 only) are played at the same time as the first of the two bass drum notes written beneath. this is technically quite demanding because the temptation is to then play these ghost notes loudly. it’s also tricky 