The 20th annual Jazz–at–the–Mansion takes place at Morris Jumel Mansion from 2 p.m. to 6 p.m. on Sat., Aug. 18 and Sun., Aug. 19.

The event features saxophonists, drummers, guitar, piano, trumpet and clarinet players.

Admission is free. The mansion is located at 64 Jumel Terrace. Call (212) 781-6595 for more information.