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Welcome to the Online Sequencer Wiki, a wiki for using and navigating Online Sequencer. Online Sequencer is a web-based music sequencer that allows users to create music saved online or on their computer and share it with other users.

About Online Sequencer Online Sequencer was created by Jacob Morgan and George Burdell in 2013. Users can create a sequence by placing notes in a piano roll-style interface. Over time, various features were added, such as new instruments, effects, and control options for sequences. The community around the site also expanded, adding a forum, chat, and this wiki. All dates on this wiki are stored in the MM/DD/YYYY or MM/DD/YY; please do not alter this. All wiki pages Getting Started Features Instruments Instrument Options Equalizer Custom Instruments Did you know... ...that Robo was created on July 4th, 2019? ...that there are multiple secret pages? ...that adBot used to convert images into notes? ...that LucentTear has been using Online Sequencer for almost 10 years?! ...that the easiest way to make a sequence is to place notes down? ...that Timpani is found at F7-G7 of the 2023 Drum Kit?

Online Sequencer News News and events regarding Online Sequencer. LucentTear becomes the first Online Sequencer user to hit 1 million plays! (2/16/2025) Rhodes has been pushed to the main site! (1/20/2026) Online Sequencer turned 13 years old! (1/2/2026) This means it is finally old enough to use chat. Community The community is a great place for users to share their thoughts and music! (But mostly their music.) Online Sequencer Forum Discord (via Robo) Current Contest (2/1/26 - 2/21/26) Theme: "coziness" Winners will be announced on 2/28/26! Last Contest (1/1/26 - 1/21/26) Theme: "boss battle" Winning entries: DOOM UNLEASHED by spira. doomsday's live orchestra by toshi vote for this song so the words "i had sex with your mother" will appear at first on the contest by SlimeJime Are you proud of yourself?