Taylor Swift visited BBC Radio 2 yesterday to do some songs for their "Great British Songbook" program. She performed an acoustic take on Great British band Coldplay's "Viva La Vida." While her live vocals are often rough, if not painful, she sounds pretty good here. Watch: [videoembed size="full_width" alignment="center"][/videoembed] Swift is in the U.K. to promote her upcoming LP, Speak ...