They charge a small cover charge nightly for sitting in the Richelieu Room and listening to a very good, four-piece traditional jazz band. It's like Preservation Hall, but with good food and comfort. The pianist there for Sunday brunch and a few nights a week has an incomparable repertoire of standards in his head. Every time he starts up a tune, I want to get up and sing. But I won't, I promise.
Live piano persists in a listenable way nightly and at brunch.
Court of Two Sisters. They have a jazz trio playing at lunch, and they play far beyond the standard Dixieland repertoire. There's no music in the room itself, but there's always somebody playing something in the adjacent lounge, and that drifts over. At teatime, a there's live chamber music. Hyde Park Grille.