Royce Campbell's blues-influenced, hyper-relaxed jazz-guitar playing has earned him accolades as a solo performer and made him a sought-after session musician. His first experience came touring the U.S. in Marvin Gaye's band, before being tapped by Henry Mancini, in whose orchestra Campbell stayed for two decades; Campbell's gentle, flowing swing formed a subtle backdrop for the composer's ever-cinematic works. A versatile performer, Campbell's expert guitar graced recordings of everyone from Dave Brubeck to Liza Minnelli to Sarah Vaughan. In the '90s, Campbell stepped out und...