The double stroke roll works just like the single stroke roll - it's played in a sequence of alternating strokes (roll). But instead of having one stroke per hand you'll have two, as shown on the sheet music below. You can use full wrist turns to play each stroke of the double stroke at slower speeds.
What is double stroke roll?
A major element of rudimentary drumming is the double stroke roll. Basically what they are is two strokes on each hand, the second louder than the first, progressively made faster until you are making a roll (it will sound almost like a machine gun).
What is a stroke roll?
The single stroke roll is the most common drum rudiment used on the drum set. It's often played in beats, fills, and drum solos. It doesn't matter if you are new to the drums, or if you have been playing for years, the single stroke roll is absolutely essential.