The Rosanna shuffle is a special way of playing drums that was made famous in a song called "Rosanna" by the band Toto. Basically, in this type of shuffle, the drummer plays a pattern of beats that repeat over and over again, creating a cool and funky rhythm.
To understand it better, imagine that you and your friends are playing a game of tag. Every time you tag someone, you have to run and touch a tree before the next person can tag you. Now, let's say that you start counting in your head: one, two, three, four, tag! You keep doing this over and over again, but you notice that it sounds kind of boring.
That's where the Rosanna shuffle comes in. Instead of counting evenly like before, you start counting like this: one, two, three, four-and-a, one, two, three, four-and-a. The "and-a" part is like a tiny extra beat that you add in between each count. It's kind of like stepping twice with one foot and then once with the other foot, over and over again.
When you play the Rosanna shuffle on the drums, you use your right hand to hit the snare drum on counts one and three, and you use your left hand to hit the snare drum on counts two and four. At the same time, you use your right foot to hit the bass drum on counts one and two, and your left foot to hit the bass drum on counts three and four.
It might sound complicated, but once you get the hang of it, it's really fun to play. And if you listen to the song "Rosanna," you'll hear just how cool it can sound!