The only album credited to Marc Bolan & T Rex and released in March 1974, 'Zinc Alloy' was the last T Rex album to be produced by Tony Visconti , and features the autobiographical hit single Teenage Dream".

Recorded at Musicland Studios in Munich, Bolan was heavily influenced by his new relationship with songwriter Gloria Jones , and a new interest in black music that he heard on US radio stations while on tour in 1973.

This 50th Anniversary Edition is presented as a zoetrope picture disc, based on the original limited edition multi layered "lattice" sleeve. Viewed with a smartphone running a third party stroboscope app, the images appear animated.