On this day in music history: July 21, 1972 - “The Slider”, the seventh album by T. Rex is released. Produced by Tony Visconti, it is recorded at Rosenberg Studios in Copenhagen, Denmark, Château d’Hérouville, Paris, France, and Elektra Studios in Los Angeles, CA from March - April 1972.  Issued as the follow up to bands’ glam classic “Electric Warrior”, Marc Bolan and the band will begin recording at the Château d’Hérouville outside of Paris on the recommendation of his friend Elton John, while on tax exile from the UK. The basic tracks will be completed in only five days, before moving on to other studios in Denmark and the US to complete the overdubs and mixing. The album will spin off the hit singles “Metal Guru” and Telegram Sam”. The albums’ iconic cover photo is taken by producer Tony Visconti. “The Slider” will peak at #4 on the UK album chart, and #17 on the Billboard Top 200.