He has returned, leading small jazz bands, and the one he led on Sunday had a curious duality. Mr. Williams is a crowd pleaser, with a neat synthesis of John Coltrane’s and Cannonball Adderley’s phrasing and harmonic language; his pianist, Eric Lewis, was a crowd-riler, moving from ostinatos to blenderized whirls of notes, hitting the keys about as hard as anyone can, lodging his solos into your neck.