We're still a few weeks from Halloween, but that doesn't mean it's too early to get into the Christmas spirit with Straight No Chaser. The a cappella group is readying a star-studded EP, Under the Influence: Holiday Edition, for release on October 29th on Atlantic. You can pre-order the eight-track release; it features guest vocals from Colbie Caillat, Cee Lo Green and even the late Otis Redding.
Now, you can take an exclusive first listen to their collaboration with none other than Sir Paul McCartney, who joins the group for a rendition of his track "Wonderful Christmas Time" that swings, snaps and crackles with hearth-warmed harmonies.
"The list of musical living legends starts with Paul McCartney," Straight No Chaser's Don Nottingham tells Rolling Stone. "If you'd asked me five years ago – or even five months ago – what collaboration would be totally unfathomable for me, I would have said McCartney. To have him on a song with us is totally unbelievable and a true honor."
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This article originally appeared on Rolling Stone: Paul McCartney, Straight No Chaser Tackle 'Wonderful Christmas Time'