Who played and sang
On these albums
The String Quartet Tribute to Tool, Volume 2: MetamorphicVitamin String Quartet feat. The Section & The Da Capo Players · 2003
Anotomica: String Quartet Tribute to ToolVitamin String Quartet feat. The Section & The Da Capo Players · 2004
The String Quartet Tribute to Tool’s ÆnimaVitamin String Quartet · 2006
Source: MusicBrainz recording 3b9b735a-6739-4284-8c9d-53a014d81717 (CC0).