Thirteen theaters are taking part in this year's Curtain Up! All performances start at 8:30 p.m.
"Celebrity Fish, Purveyors to the Stars" by Dante Dincecco. Alleyway Theatre, Curtain Up Alley (852-2600).
"Les Belles Soeurs" by Michel Tremblay. Buffalo Ensemble Theatre Company, New Phoenix Theatre, 95 N. Johnson Park (855-2225).
"Visiting Mr. Green" by Jeff Baron. Buffalo United Artists, Upstairs Cabaret, 884 Main St. (886-9239).
"From Shakespeare to Song & Dance." University at Buffalo Center for the Arts, Pfeifer Theatre, 681 Main St. (645-ARTS or Ticketmaster/852-5000).
"The Threepenny Opera" by Bertolt Brecht with music by Kurt Weill. Irish Classical Theatre Company, Andrews Theatre, 625 Main St. (853-4282).
"Guys and Dolls" by Frank Loesser. Kavinoky Theatre, D'Youville College, 320 Porter Ave. (881-7668).
"On Broadway!" Lancaster Opera House, 21 Central Ave., Lancaster (683-1776).
"In the Belly of the Whale" by Jane Pecora. Promise Theatre, Forbes Theater, 500 Pearl St., (693-0031).
"Vincent!" by Leonard Nimoy. Shakespeare in Delaware Park, in the Flickinger Performance Art Center, Nichols School, Amherst Street and Colvin Avenue. (515-3929).
"Things We Do for Love" by Alan Ayckbourn. Studio Arena Theatre, 710 Main St. (856-5650 or 800-77-STAGE).
"A . . . My Name Will Always Be Alice," by various authors. Summerfare Musical Theatre Company, Daemen Theatre, 4380 Main St., Amherst (839-8540).
"The Colored Museum" by George C. Wolfe. Ujima Theatre Company, TheaterLoft, 545 Elmwood Ave. (883-0380).
"My Shining Hour." O'Connell & Company and RM Productions. Tralfamadore Cafe, 100 Theater Place (851-8725).
Also: "Singin' in the Rain" (free film). Shea's Performing Arts Center, 646 Main St. (847-0850).