This is the first word in the title of a Third Stream suite for orchestra and three jazz soloists whose instrumentation also calls for pieces of scaffolding. This is the first title word of Billy Strayhorn's last completed composition. The drug overdose of the composer's brother inspired a Mark-Anthony Turnage suite titled for this noun "on the Floor." An album whose title begins with this word features vocals by Miles Griffith and Cassandra Wilson in a (*) "Work Song" subtitled for this word and contains multiple tracks titled "Calling the Indians Out." This is the first noun in the title of a work that follows the story of the enslaved Jesse (10[1])and (10[1])Leona (10[1])and, in 1997, became the first (10[1])jazz composition to receive the Pulitzer Prize for Music. For 10 points, name this substance that (-5[1])is "on the Fields" (10[1])in the title of an oratorio by Wynton Marsalis. ■END■ (10[1])