Zinc Alloy And The Hidden Riders Of Tomorrow was originally released in 1974 and represented a significant stage in the continuing evolution of Marc Bolan and T. Rex. The album followed the hit singles The Groover and Truck On (Tyke) and included the subsequent hit Teenage Dream. The recordings reflected the impact of Bolan's travels in the United States during 1973, where exposure to black radio stations introduced him to a broader range of soul and rhythm-and-blues influenc