The pop-minded singer/songwriter Marshall Crenshaw built up an impressive body of work over the course of his career, showing a fine craft for everything he approached while stubbornly following his own creative muse to reach that end. To call Crenshaw's career "interesting" would be putting things mildly. He starred in several movies and portrayed John Lennon in the road-show version of Beatlemania. His songs were featured on several film soundtracks and covered by such diverse artists as Robert Gordon, Bette Midler, Kelly Willis, Marti Jones, and the Gin Blossoms. He assembl...