Black and white photograph of the band Funkadelic performing at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. Scanned from the negative.

Black and white photograph of the audience at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970. In the foreground a white woman in a tie-dyed shirt stands in front of a white man and woman embracing as others lounge in the…

Black and white photograph of the band Funkadelic performing at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. In the foreground, a black man in briefs holds his hands up in peace signs while…

Black and white photograph of George Clinton and the band Funkadelic performing at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. Scanned from the negative.

Black and white photograph of audience members sitting in the grass of Soldier Field at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. Scanned from the negative.

Black and white photograph of audience members at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. In the foreground a white man with glasses and white headband looks eager, while just behind him a…

Black and white photograph of Iggy Pop held on the shoulders of audience members as he crowd surfs at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. Scanned from the negative.

Black and white photograph of Iggy Pop held on the shoulders of audience members as he crowd surfs at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. Scanned from the negative.

Black and white photograph of Iggy Pop held on the shoulders of audience members as he crowd surfs at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. Scanned from the negative.

Black and white photograph of Iggy Pop of The Stooges performing while being held up by the audience at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. Scanned from the negative.

Black and white photograph of Iggy Pop of The Stooges performing while being held up by the audience at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. Scanned from the negative.

Black and white photograph of Iggy Pop of The Stooges performing while being held up by the audience at the WCFL Big 10 Summer Music Festival in Chicago, Illinois on July 18, 1970, by Douglas R. Gilbert. Scanned from the negative.