Sky Arts HD Friday

The making of Black Sabbath's second album Paranoid, which was released in 1970 and helped define the sound and style of heavy metal

A look at Ptolemy Dean's Weston Tower, which lies within Westminster Abbey, examining what went into designing the most significant addition to this historic site in 240 years

Photographs that define the modern age come under the hammer at Sotheby's, including a work by Irving Penn that may fetch nearly a quarter of a million pounds

A Jaguar C-Type once driven at Le Mans and a 1968 Ferrari valued at 23 million euros go up for auction at the Monaco Grand Prix Historique

Documentary telling the story of the pioneering and hugely secretive theatre company whose productions have reinvented the art form and changed the rules of theatre