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 1cca283a-d35b-4c82-9a3e-dcd0c8cf7a47 (CC0).