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
Vitamin String Quartet Tribute to Tool's LateralusVitamin String Quartet · 2009
Source: MusicBrainz recording f9bfcc4e-ff2d-4d24-b75b-2ca4cac9bb74 (CC0).