The complex and revolutionary music and lyrics of Marc Bolan and T. Rex, the glam rock powerhouse behind “Bang a Gong (Get it On)” and other iconic songs. Featuring archival performances and interviews with Elton John, Ringo Starr, and David Bowie, plus filmed musical interpretations by artists such as Nick Cave, John Cameron Mitchell, Joan Jett, Macy Gray, U2, and Father John Misty.