Westport Public Library's 2011-12 season of monthly musical Sunday afternoons will begin with a performance by Celtic Cross at 2 p.m. Sunday, Sept. 18, in the library's McManus Room, 20 Jesup Road.

Celtic Cross, a seven-piece pop/folk group that blends Irish-Americana with a diverse musical mix, is led by singer-songwriter Kathleen Fee.

The group's other members include Ken Vesey on fiddle, John Vesey on button accordion, Walter Ensor on guitars, bouzouki, dobro and piano, Patrick Dineen on guitar and piano, Frankie McCormick on banjo and mandolin, and Dave Barckow on percussion.

The event is free and open to the public.

For information, visit www.westportlibrary.org or call 203-291-4800.