According to a report in Variety.com, a documentary (and accompanying tribute album) honoring the legacy of Marc Bolan and T. Rex will be released sometime in 2019. The article suggests U2 has already recorded a version of T. Rex’s biggest hit, 1971’s “Bang a Gong (Get It On)” for the set. Other notables involved in the project include; Joan Jett, Elton John, Foo Fighters among others.