The legendary band premiered new material at a Philadelphia concert.

At Saturday’s reunion gig, frontman Lindsey Buckingham revealed that the band “cut some new material” last year and that the Mac will release a new EP in “a few days,” predictably calling the material “the best stuff [they’ve] done in a long time.”

Watch Fleetwood Mac perform one of those new songs, ‘Sad Angel’, below. [via Consequence of Sound]