Home People Robert Lamm Robert Lamm movies Robert Lamm movies Robert Lamm Movies (5) The Terry Kath Experience (2016) As Himself. He was 71 years old Now More than Ever: The History of Chicago (2016) As himself. He was 71 years old Now More than Ever: The History of Chicago (2016) As Executive Producer. He was 71 years old Chicago in Chicago (2011) He was 67 years old SoundStage Presents: Chicago 2003 (2004) As Keyboards, Vocals, Guitar. He was 59 years old