There are at least two artists with the name IOSYS:
1) IOSYS ( also known as イオシス ioshisu) releases doujin music discs for the Touhou games made by ZUN (Team Shanghai Alice), as well as other games such as the Etrian Odyssey series. They make remixes of the game’s music. Flash animations, made for IOSYS promotion, are made for few select songs from the CDs. For lyrics, partial translation and more info see the Album list. For more info, see the Touhou Wiki article. For the official IOSYS website, see http://www.iosysos.com/
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