
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
2025 · as Self

The Rainbow
2019 · as Self

David Foster: Off the Record
2019 · as Self

Now More than Ever: The History of Chicago
2016 · as Self

The Terry Kath Experience
2016 · as Self

Got No Shoes, Got No Blues: the Texas International Pop Festival
1969

Chicago | Dortmund 1982
1982 · as Self

Chicago Live In Japan 1995
1995 · as self

Chicago & Friends: Live At 55
2024 · as keyboard, vocals

Chicago Live on SoundStage
2004 · as Keyboards, Vocals, Guitar

Chicago | The Heart of Chicago: The Video (1982-1991)
2005 · as Self (archive footage)

Chicago: Live At Tanglewood
1970

Chicago in Chicago
2011