I Knew You Were Trouble.

Provided to YouTube by Universal Music Group I Knew You Were Trouble. · Taylor Swift Red ℗ 2012 Big Machine Records, LLC. Released on: 2012-10-21 Producer, Associated Performer, Acoustic Guitar: Shellback Producer, Associated Performer, Keyboards: Max Martin Studio Personnel, Engineer: Michael Ilbert Studio Personnel, Engineer: John Hanes Studio Personnel, Engineer: Sam Holland Studio Personnel, Asst. Recording Engineer: Tim Roberts Studio Personnel, Asst. Recording Engineer: Eric Eylands Studio Personnel, Mastering Engineer: Tom Coyne Studio Personnel, Mixer: Serban Ghenea Associated Performer, Vocals: Taylor Swift Composer Lyricist: Taylor Swift Composer Lyricist: Max Martin Composer Lyricist: Shellback Auto-generated by YouTube.