The Music sequencer reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Music sequencer

In the field of electronic music, a sequencer was originally any device that recorded and played back a sequence of control information for an electronic musical instrument.

Early analog music sequencers used control voltage / trigger interface, but have generally been replaced by digital sequencers utilizing MIDI. A MIDI sequencer plays back MIDI events and MIDI control information at a specified number of beats per minute.

Many synth modules, such as the Korg Triton rack module, include a built-in MIDI sequencer. There are also standalone hardware MIDI sequencers, such as the Yamaha QY-70.

Software music sequencers run entirely on personal computers. These come in two varieties- pure MIDI sequencers and MIDI / audio sequencers. The former only allows the recording, playing back and editing of MIDI data. The latter adds the ability to sequence MIDI data alongside audio data.

Music sequencing software

• Steinberg Cubase
• Emagic Logic
• Digital Performer
• Tracktion
• Fruityloops
• Sonar
• Rosegarden for Linux

Similarly, music can be sequenced in a sense using trackers such as ModPlug Tracker, and a drum machine can be viewed as a specialized music sequencer.

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