 Dylan was first exposed to the blues as a teenager during the 1950s.He wrote and recorded a handful of blues songs for his early acoustic albums, but began focusing on the genre with his 1965 album "Highway 61 Revisited", which featured several electric blues tracks.Early in the fall of 1965, about a month after "Highway 61"'s release, Dylan was back in Columbia's New York studios to begin work on his next album.