PORTLAND – The Choral Art Society’s Camerata will perform a Valentine’s program called “A Passionate Embrace,” with old and new chamber music Sunday, Feb. 13.

The Camerata is a 12-member a cappella chorus made up of members of the Choral Art Society. The concert will begin at 2:30 p.m. at St. Luke’s Cathedral, 143 State St.

An exception to its primarily a cappella performances, this concert will feature two guest pianists, Elizabeth Noonan and Natalie McKechnie, accompanying the singers for Brahms’ “Liebeslieder Walzer,” written as a tribute to Vienna.

The four-voice vocal parts that accompany the waltzes continue a tradition of dancers singing an impromptu accompaniment as they dance.

The afternoon program also includes “Ecco mormorar l’onde” (Hear the murmuring breezes) by Claudio Monteverdi, a suite by Stephen Foster, and songs by contemporary composers Eric Whitacre and Frank Ferko. A set of six Marian Motets by Ferko, a Chicago composer of choral and organ music, will be sung as well.

Tickets to the Feb. 13 concert are $20 and $15. They are available through the society’s office, (207) 828-0043, or at Macbeans in Brunswick and at Books Etc. in Falmouth and the Old Port.