2 thumbs up from me on "Quartet"
This is the movie that's Dustin Hoffman's directorial debut and stars Maggie Smith, Pauline Collins (from "Upstairs, Downstairs" and "Shirley Valentine" years ago), Michael Gambon and Billy Connolly.
Saw it today and thought it was terrific. There's some "blue" language, but a lot of laughs.
(If you go, stay for the credits -- nice historical photos of some of the musicians and singers playing roles and their real-life career high points.)