According to Huffington Post, The Rolling Stones just dropped a surprise song: a lost classic from nearly half a century ago, featuring Led Zeppelin’s Jimmy Page.

“The Stones recorded ‘Scarlet’ with Jimmy Page of Led Zeppelin in 1974, but the track was never officially released. Stones guitarist Keith Richards said the collaboration happened when the band walked into the studio at the end of a Zeppelin recording session”, Huffington Post’s Ed Mazza writes.

Read the rest of the article here, and hear the new song below!