What Sound is the third album by English electronic music group Lamb, released in October 2001 Original members Andy Barlow and Lou Rhodes are joined by session musicians Arto Lindsay on guitar, Me'Shell NdegéOcello on bass, and Michael Franti with additional vocal work. Doves guitarist Jimi Goodwin, producers Nellee Hooper and Richard Dorfmeister (one half of Kruder & Dorfmeister) also contributed to the album. The track "Heaven" was used constantly on the HBO television series Six Feet Under.