A music sequencer is a device or application software that can record, edit, or play back music, by handling note and performance information in several forms, typically CV/Gate, MIDI, or Open Sound Control, and possibly audio and automation data for DAWs and plug-ins.

What does a sequencer do?

In music production, a sequencer is a hardware or software device designed to record performance data and play it back in sequence, or in a specific order of events.

What do you mean by sequencer?

: one that sequences: such as. a : a device for arranging things (such as events in the ignition of a rocket) in a sequence. b : a device for determining the order of occurrence of amino acids in a protein or of bases in a nucleic acid.