A celebration of the February holiday, the love (or lack of love)-themed concert will feature world-premiere songs by a host of young composers. Lazar joins a roster of previously announced performers that includes Kate Baldwin, Will Chase, Jill Geddes, Rebecca Luker and Daniel Reichard. Danny Burstein will host.

Annette Jolles will direct the 8 PM performance, and concertgoers can expect to hear tunes by Jennifer Allen, Scott Burkell, Mark Campbell, Sam Davis, David Evans, Jenny Giering, Faye Greenberg, Michael Gruber, Sean Hartley, Tom Herman, Lance Horne, Paul Loesel, Steve Marzullo, Georgia Stitt andJoseph Thalken.

The three-person band comprises Marco Paguia (piano), Ed Matthew (clarinet) and Clay Ruede (cello).

On Broadway Aaron Lazar has been seen in The Light in the Piazza, The Phantom of the Opera and Oklahoma! and Off-Broadway in Hallelujah Baby!. He appeared in the London revival of On the Town as well as in the national tour of The Scarlet Pimpernel. His screen credits include “The Notorious Bettie Page," "One Man’s Castle," "Johnny Moment," "The Poker Game," "Mahogany Pipe,” “All My Children,” “The Guiding Light” and “Empire.”

Symphony Space is located in Manhattan at 2537 Broadway at 95th Street. Tickets, priced $21, are available by calling (212) 864-5400 or by visiting www.symphonyspace.org. *

Founded in 2002 by Jen Bender, Joel Fram, and Doug Okerson, the New Voices Collective “provides a forum for a community of artists to develop new works and explore new directions.”