Rubber Soul is the sixth studio album by the The Beatles. Released in December 1965, and produced by George Martin, Rubber Soul was recorded in just over four weeks to make the Christmas market. Showcasing a sound influenced by the folk rock of The Byrds and Bob Dylan, the album was seen as a major artistic achievement for the band, attaining widespread critical and commercial success, with reviewers taking note of The Beatles' developing musical vision. In 2003, the album was ranked number 5 on Rolling Stone magazine's list of the 500 greatest albums of all time.