Drummer is one of GarageBand’s most impressive features. It offers an easy way to add professional drum tracks to your project, with almost unlimited customization options. If you’ve never used Drummer in GarageBand before, we’ll explain everything you need to know to make the most of it in your next project. What Is the Drummer Feature? GarageBand’s Drummer is a software instrument that plays automated drum patterns to use in your musical projects. You can choose between 28 virtual drummers and three virtual percussionists, each with their own personal style.