"A Song for Chi" is an instrumental alternative metal song recorded by several high-profile rock and metal musicians to raise money for poet and Deftones bassist Chi Cheng, who was severely injured in a car crash in Santa Clara, California on November 4, 2008.
[5] At the Sonisphere Festival in the Netherlands former Ozzy Osbourne and current Metallica bassist Robert Trujillo recorded bass for the song.
[6] Adam Dutkiewicz of Killswitch Engage tracked guitars for the song on June 24 in San Sebastian, Spain.
[7] On June 28 Hatebreed guitarist Wayne Lozinak recorded for the song backstage at the Graspop Metal Meeting in Dessel, Belgium.
[8] Former Korn guitarist Brian Welch and his former bandmate James Shaffer recorded guitars for the song on June 1[9] and 6[10] respectively.