It’s probably easiest to play with the sticking that’s listed, but now play it left-hand lead, or with the opposite sticking. The first time through use the sticking listed, on the repeat use the opposite. A simple exercise to work on keeping your singles open and in time. The sheet music is just the basic pattern, not the drumline score you’ll see in the video. The video has that pattern played as the snare part but this exercise is for everyone. It was written as the snare part in the score video just to have something interesting to play along to.