O.to.i.Re: Dreamcast Sequencer

From Sega Retro


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O.to.i.Re: Dreamcast Sequencer
System(s): Sega Dreamcast
Publisher: Waka Manufacturing
Peripherals supported: Dreamcast VGA Box, Dreamcast Microphone, Dreamcast MIDI Interface Cable, Visual Memory Unit
Genre: Melo Ga (メロゲー)[1][2], Table[3]

Number of players: 1
Release Date RRP Code
Sega Dreamcast
¥7,800 (8,190)7,800e[2] T-32801M

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O.to.i.Re: Dreamcast Sequencer (お・と・い・れ ドリームキャストシーケンサー) is a Japan-exclusive Sega Dreamcast music creation tool by Waka Manufacturing. It was released only in Japan, and allows the player/user to produce his or her own music tracks via the Dreamcast Controller, Dreamcast Microphone, or Dreamcast MIDI Interface Cable.

Additionally, this was the only piece of software released in the Dreamcast's lifespan that supported its MIDI adapter cable.


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Although this is a particularly rare piece of software, it fetches relatively low sums on internet marketplaces such as Ebay.

Magazine articles

Main article: O.to.i.Re: Dreamcast Sequencer/Magazine articles.

Promotional material

Print advert in Dreamcast Magazine (JP) #1999-38: "1999-38 (1999-12-10)" (1999-11-26)

Physical scans

Sega Retro Average 
Publication Score Source
67 [4]
73 [5]
Sega Dreamcast
Based on
2 reviews

Dreamcast, JP
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Otoire DC JP Spine.jpg
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Otoire dc jp manual.pdf

Technical information

ROM dump status

System Hash Size Build Date Source Comments

External links

  • Sega of Japan catalogue pages (Japanese): Dreamcast