The free program begins at 1:30 p.m. at the senior center, 21 Imperial Ave.
Grossman began studying piano at the age of five and earned a doctorate in music from Yale University. An expert on the Gershwins' music, Grossman will perform songs of the 1920s using Gershwins' own piano arrangements.
The cultural series continues at the senior center on four more Friday afternoons this fall. Other programs -- all of them free at 1:30 p.m. -- include presentations on film, fine art, political cartoons and one man's retirement dream.
Oct. 18: Political cartoonist Matt Davies will present "The World of Political Cartooning."
Dec. 6: David Bouchier of NPR will present "Life in a Small French Village: Testing a Retirement Dream."
The series is being underwritten by AT&T, the friends group said.
For more information, call 203-341-5099.