A compilation of 40 big hits by the artists that originally performed them, such as John Fogerty's Rockin' All Over the World - which became synonymous with 1970s rockers Status Quo - and Lori Lieberman's Killing Me Softly with His Song - covered by many artists, including Roberta Flack. Others featured include Gladys Knight, Neil Diamond, Nine Inch Nails, Dolly Parton and the Zutons, whose song Valerie became a massive hit for Amy Whitehouse.

Another deep dive into the BBC's music archive, pointing the musical compass away from Top of the Pops on a quest to uncover 40 hidden gems. The songs are familiar but the performances may not be, such as Bronski Beat singing Smalltown Boy for the first time on the BBC, Rihanna's rockier version of Umbrella, Sophie Ellis-Bextor covering Pulp's Do You Remember the First Time? and Kate Bush pairing up for a tango during Hounds of Love.