At this year’s Jazz Fest set, don’t expect trumpeter/keyboardist Nicholas Payton to play the classic jazz that in 1997 won him a Grammy for his album with legendary trumpeter Doc Cheatham. “But Doc’s in there!” declares Payton of the music from his new release, Afro-Caribbean Mixtape (Paytone Records), which he’ll feature at the 2017 festival. Listening to the album, a centur...