ARP Odyssey analogue synthesizers usually driven by a Korg SQ-10 analog sequencer. It's a simple 16 steps sequencer with 4 basic waves synthesizer. The synth bassline was sequenced on a Powertran Sequencer home built by Sumner. Music workstations combine controller keyboards with an internal sound generator and a sequencer. The functionality of the original sequencer and arpeggiator was retained, though. Roland TR-808 drum machine with a sequencer and a Roland Jupiter-8 keyboard. Drum machines and some older synthesizers have their own step sequencer built in. The track made early use of a music sequencer along with synthesizers. The individual drum voices may be playable from another MIDI instrument, or from a sequencer. Each panel control in the ensemble is capable of MIDI automation in the host sequencer. The notes can often be transmitted to a MIDI sequencer for recording and further editing. A music sequencer, a programmable musical instrument, was the earliest type of programmable machine. YMO also introduced the microprocessor-based Roland MC-8 sequencer and TR-808 rhythm machine to popular music. FL Studio features a graphical user interface with a pattern-based music sequencer. Cubase was released in 1989, initially as a MIDI sequencer.