A song written and performed by American singer-songwriter Bob Dylan, released as the sixth track on his 2006 album Modern Times. In spite of the title, the song is not a blues but rather a folk song that uses the same chord pattern as Pachelbel's Canon. As with much of Dylan's 21st-century output, he produced the song himself under the pseudonym Jack Frost. Patrick Doyle, writing in Rolling Stone, where the song placed 23rd on a list of "The 25 Best Bob Dylan Songs of the 21st Century", refers