An unlikely duo, Marcus Mumford and Justin Timberlake have teamed up to perform a traditional Irish folk song "The Auld Triangle" for the upcoming Coen brother's film, Inside Llewyn Davis, due in theaters Dec. 6.

The movie follows the title character, a folk singer (loosely based on folk icon Dave Van Ronk) living in New York's Greenwich Village in the 1960s. The film stars Justin Timberlake, Oscar Issac and Carey Mulligan, who also appear on the soundtrack along with Mulligan's husband, Mumford.

The soundtrack comes out Nov. 11 and is now streaming in full on NPR. Check out the trailer and listen to Timberlake, Mumford, Mulligan and members of Punch Brothers sing "The Auld Triangle" here. Let us know what you think in the comments section below.

Inside Llewyn Davis Soundtrack Tracklist:
01. "Hang Me, Oh Hang Me" (Traditional; Arranged by Oscar Isaac & T Bone Burnett) - Oscar Isaac
02. "Fare Thee Well (Dink's Song)" (Traditional; Arranged by Marcus Mumford, Oscar Isaac and T Bone Burnett) - Marcus Mumford and Oscar Isaac
03. "The Last Thing on My Mind" (Tom Paxton) - Stark Sands with Punch Brothers
04."Five Hundred Miles" (Hedy West) - Justin Timberlake, Carey Mulligan and Stark Sands
05."Please Mr. Kennedy" (Ed Rush, George Cromarty, T Bone Burnett, Justin Timberlake, Joel Coen and Ethan Coen) - Oscar Isaac, Justin Timberlake and Adam Driver
06. "Green, Green Rocky Road" (Len Chandler and Robert Kaufman) - Oscar Isaac
07. "The Death of Queen Jane" (Traditional; Arranged by Oscar Isaac and T Bone Burnett) - Oscar Isaac
08. "The Roving Gambler" (Traditional) - John Cohen with The Down Hill Strugglers
09."The Shoals of Herring" (Ewan MacColl) - Oscar Isaac with Punch Brothers
10."The Auld Triangle" (Brendan Behan) - Chris Thile, Chris Eldridge, Marcus Mumford, Justin Timberlake and Gabe Witcher
11."The Storms Are on the Ocean" (A.P. Carter) - Nancy Blake
12."Fare Thee Well (Dink's Song) (Traditional; Arranged by Oscar Isaac) - Oscar Isaac
13."Farewell" (Bob Dylan) - Bob Dylan
14."Green, Green Rocky Road" (Len Chandler and Robert Kaufman) - Dave Van Ronk

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