look up any word, like thot:
 
3.
Someone who uses a music program (Noteworthy Composer, Anvil Studio, etc) to recreate music by ear in MIDI format. Usually taken from video games, movies, or general theme songs.
"Dude, I just found a MIDI of the Ghostbusters theme."
"Heh, I know the sequencer who made that."
by BB48 October 20, 2005
 
1.
An electronic music device that allows individual notes to be programmed and played back.
Most of the electronic music you hear is "played" using a sequencer.
by SynthBaron November 28, 2003
 
2.
A software or hardware musical tool that allows you to lay down a sequence of notes over a series of measure(s).

It's commonly abused in conjunction with an arpeggiator by the musically uneducated.
Unclean fool: d00d u hav 2 see wut i jus made in FL studio!

Me: It's not just the same three chords arpeggiated over and over in the sequencer in 4/4 time is it? Please don't tell me the rhythm is just a bass drum playing pure quarter notes!

Unlcean fool: ...huh? maybe... :(
by lilwangster May 21, 2011
 
4.
I random music term thingy
I have a sequencer at my house
by Franky the wonderdog July 21, 2003