Will McFarlane spent six years playing guitar with Bonnie Raitt, from 1974 to 1980. Born on a Navy base in California, McFarlane started voice lessons at age 6, adding piano a year later. Seeing the Beatles play the Ed Sullivan Show when he was 12 inspired McFarlane to take up guitar. He developed a taste for R&B in high school, focusing on Motown material while developing as a rhythm guitarist. McFarlane attended college in Denver, but soon dropped out and had been playing gigs in bars and clubs across the country when Raitt found him in a club in Cambridge, Mass. McFarlane learned how to listen as well as play while in Raitt's band. His...