There are so many different kinds of rhythms in the music world. In fact there’s infinite way to create different rhythms. You have to use different note lengths to get the perfect rhythm that you want. And it has to be unique. If we used the same rhythms for every thing then the world would be a really boring place. Rhythms are the basics of a song. If you don’t know what kind of rhythms you want in your song, complicated or simple, then you have no where to start.