
Acting
Robert William Lamm (born October 13, 1944) is an American keyboardist, singer and songwriter who came to fame as a founding member of the band Chicago. He wrote many of the band's biggest hits, including "Does Anybody Really Know What Time It Is?", "Beginnings", "Saturday in the Park", "Dialogue", and "25 or 6 to 4". He is one of three founding members (alongside Lee Loughnane and James Pankow) still performing with the group.

Harry Chapin - Cat’s in the Cradle: The Song That Changed Our Lives
as Self

Chicago & Friends: Live At 55
as keyboard, vocals

David Foster: Off the Record
as Self

The Rainbow
as Self

Now More than Ever: The History of Chicago
as Self

The Terry Kath Experience
as Self

Chicago in Chicago

Chicago | The Heart of Chicago: The Video (1982-1991)
as Self (archive footage)

Chicago Live on SoundStage
as Keyboards, Vocals, Guitar

Chicago Live In Japan 1995
as self