The most happiest of happiest days. Its a classic analog Rhythm Machine not a drum machine and was the first to use a microprocessor. Roland Tr 808 Wikipedia Roland TR-505 Rhythm Composer 1986 Budget portable digital drum machine with crunchy samples and a classic sequencer. Roland rhythm machine . Drum Machines Roland Roland Boss DR-5 Dr. It follows in the footsteps of the glorious Dr. It has 34 built in preset rhythm patterns which can be varied at the push of a button. Some of these fills were used in synth-pop songs such as Enola Gay by Orchestral Manoeuvres in the Dark and Underpass by John Foxx. There are 18 initial drum. The Roland TR-8S v20 Update adds a powerful FM sound engine that brings a whole universe of sonic textures to the modern drum machine classic. The Boss DR-5 is a drum machine with backing accompaniment and can be used to sequence entire songs. A notable improvement over the older models. Drum Machines and Samplers. Roland 76 in Dru...