Swedish House Mafia have debuted a new collaboration with Alicia Keys at a recent show in San Francisco.The producer trio — who were playing in the city as part of their ‘Paradise Again’ tour — enlisted Keys on stage, where she performed the as-yet unreleased song ‘Finally’. The track itself is a cover of the Kings of Tomorrow song of the same name, which featured the singer Julie McKnight.For their part, Swedish House Mafia and Keys bring an atmospheric touch to the 2000 original, pairing the singer’s R&B vocals with the trio’s trademark build-ups and bass drops.