The DR-3 Dr. Rhythm drum machine from Boss is a fantastic solution for songwriters looking to add compelling drum and bass parts to their songs, as well as musicians just looking to bring some rhythm to their practice sessions. This unit boasts 100 presets as well as a 100 memory banks for your own rhythmic creations, all of which are built around the very best of Boss' collection of acoustic and electric drum sounds. The interface is flexible and intuitive which makes the Dr 3 a great starting point for anyone entering the world of drum machines.