What is the Single Stroke Roll Drum Rudiment
The Single Stroke Roll drum Rudiment is one of the original snare drum rudiments. It is a roll on the drums at its simplest form. Meaning; in order to play it, you hold one stick in each hand and play: Left, Right, Left, Right, over and over first starting slow then gradually speeding it up. 
2019’s Best book for the Snare Drum Rudiments is:
Here are some videos that can show you how to play the Single Stroke Roll
This video is pretty good. The only part that I don’t agree with is when he says that there are only 3 rudiments that are truly important.
This introductory lesson on how to master the single stroke roll covers best grip, wrist & finger mechanics and how to use the stick properties to develop and play a killer single stroke on the kit! Complete with 5 Exercises!
Rob Brown Explaining what the video is about.
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