A person described by this word appears in the title of an album with liner notes including “Melodic Beauty” and “Meaningful Simplicity” by Horace Silver. This is the last word in the title of a jazz hit first recorded by Larry Clinton now taught as a two-hand piano duet, composed by Frank Loesser and Hoagy Carmichael. This is the last title word of a song that Sarah Vaughn performed at the Apollo, launching her career. Funky (15[1])jazz, or jazz named for this entity, often featured organ trios. This is the second title word of a song whose (*) improvisational recording by Coleman Hawkins is a forerunner to bebop. This is the second word of the most recorded jazz standard and it names a genre whose styles included Motown sound. For 10 points, name this entity that musician Robert Johnson may have sold to the devil. (10[1])■END■ (10[2])