RUDIMENT #3 OF 40 · ROLL RUDIMENTS
The single stroke seven is six fast alternating notes that release into an accented seventh note. The six notes are played as a sextuplet across one beat, and the accent lands on the next beat.
R L R L R L R
Capital letters are main notes. Small letters are grace notes played just before the main note.
This is a classic fill shape: six quick notes down the toms, landing on a crash or the snare.