Although underexposed most of his life, Bob Dorough was an adventurous, risk-taking master of vocalese (the process of writing and singing lyrics to instrumental jazz solos) and scat singing who directly or indirectly influenced Mark Murphy, Michael Franks, Mose Allison, and Kurt Elling. The Arkansas native started out on piano in the 1940s, then took up singing in the early '50s (when he played for boxer Sugar Ray Robinson, an entertainer at the time). From 1954-1955, Dorough lived in Paris, where he recorded with singer Blossom Dearie. The improviser launched his own recordi...