'Once' upon a musical -- and more

'ONCE'

WHAT Broadway transfer of Off-Broadway hit musical, based on the 2006 indie movie about an Irish street musician and a Czech immigrant.

WHEN | WHERE Friday night at 8, Saturday at 2 and 8 p.m., Sunday at 3 p.m., Jacobs Theatre, 242 W. 45th St.

INFO $59.50-$131.50, 212-239-6200,oncemusical.com

'COURT-MARTIAL AT FORT DEVEINS'

WHAT Jeffrey Sweet's drama explores the true story of a strike by black WACS in World War II.

WHEN | WHERE Friday night at 7:30, Saturday at 2 and 7:30 p.m., Sunday at 2 p.m. Castillo Theatre, 543 w. 42nd St.

INFO $25, 212-353-1175, newfederaltheatre.org

'CELEBRATING OUR LEGACY'

WHAT The pioneering League of Professional Theatre Women celebrates its 30th anniversary with an oral-history photographic exhibit.

WHEN | WHERE Through April 28, New York Public Library for the Performing Arts, Lincoln Center.

INFO Free, 917-ask-nypl, theatrewomen.org

FILM: 'The Ballad of Genesis and Lady Jaye'

WHAT In the year 2000, the industrial music pioneer known as Genesis P-Orridge began a series of surgeries to more closely resemble his wife, Jacqueline Breyer. They considered themselves a single, third person until her death in 2007. This documentary is their story.

WHEN | WHERE Opens Friday at Chelsea Cinemas, 260 W. 23rd St. INFO $13.25, 212-691-5519, clearviewcinemas.com

-- Rafer Guzmán

ART: Cindy Sherman

WHAT The chameleonic photographer, who grew up in Huntington, is the subject of a career retrospective at MoMA, which brings more than 170 of her images to the museum's sixth-floor galleries. Whether she's posing as a film-noir ingénue, a grotesque clown or an aging socialite, Sherman always fascinates.

WHEN | WHERE Through June 11 at the Museum of Modern Art, 11 W. 53rd St.

INFO $25, 212-708-9400, moma.org

MUSIC: GroupLove

WHAT Cute and fun, the kids had a hit with "Tongue Tied," used in a commercial for the Apple iPod Touch. Get to the show early -- they are opening for Young the Giant.

WHEN | WHERE Friday night at 7, Terminal 5, 610 W. 56th St., between 11th and 12th avenues

INFO $20, 800-745-3000, ticketmaster.com

-- Kevin Amorim

DANCE: Stephen Petronio

WHAT The choreographer and his company bring their new season to the Joyce Theater, including the premiere of "The Architecture of Loss," and "Ethersketch I," performed by New York City Ballet principal dancer Wendy Whelan.

WHEN | WHERE Friday and Saturday nights at 8, Sunday at 2 and 7:30 p.m., the Joyce Theater, 175 Eighth Ave. (at 19th Street)

INFO $10-$59, 212-242-0800, joyce.org.

NIGHTLIFE: Smoother Sunday Sessions

WHAT It's a Sunday afternoon house-music happy hour, with a little jazz thrown in.

WHEN | WHERE Sunday at 5:30 p.m., LP & Harmony, 683 Grand St., Brooklyn

INFO Free, 374-262-4274