Single stroke roll
A standard drum rudiment in the category of roll rudiments and the sub-category of single stroke rudiments that creates a sustained sound on a percussion instrument by rapidly alternating one stroke from each drumstick. The sticking pattern shown below is the accepted method of producing a single stroke roll and consists of alternating strokes that can start with either hand (i.e. R-L-R-L-R-L-etc.). Single Stroke Roll <br><br>One of the most important of the 40 drum rudiments (R L R L, R L R L), as it helps to make up all the others.