The Chamber Music Society presents Crossover, a quartet from San Francisco, on Monday, July 25 at the Old Whaling Church in Edgartown and July 26 at the Chilmark Community Center.

The group has received multiple Grammy nominations and is the winner of the international tango competition held in New York.

Both shows begin at 8 p.m. For information about the chamber music society’s various programs, concert ticket and future events, call 508-696-8055 or visit