Ringo Starr was far more successful as a solo artist than wisecracks and ill-informed jokes may lead you to believe. He might not have been The Beatles’ premier songwriter, but he made up for lost time when he shook off the shackles of the band. Certainly the most affable of the Fab Four, Starr’s jovial nature often belied the artist who hid behind the warming smile. However, a dip into his catalogue both as a singer-songwriter and actor showcas…