Adam Pascal and Anthony Rapp
The stars of the hit musical turned film, “Rent,” join forces for a pop-rock concert, Friday, Sept. 20, 7:30 p.m. The program showcases their individual careers, with highlights from “Rent.” $45. Adelphi University Performing Arts Center, 1 South Ave., Garden City. 877-4000 or www.aupac.adelphi.edu.
American Dating Catastrophes
An original comedy about dates that have gone badly, presented by Middle Class American Productions, Friday and Saturday, Sept. 20-21, 7:30 p.m.; Sunday, Sept. 22, 2 p.m. Valley Stream Village Courtroom, 123 S. Central Ave., Valley Stream. 506-1989.
Church of the Diminishing Marginal Returns
Long Island premiere of a comedy about a financially troubled entrepreneur who starts a church as a way out of his difficulties, Friday and Saturday, Sept. 20-21, 8 p.m.; Sunday, Sept. 22, 2:30 p.m. $20, $18 seniors, $18 students, $15 ages 12 and under; $25 at door. Studio Theatre, 141 S. Wellwood Ave., Lindenhurst. (631) 226-8400 or www.broadhollow.org.
All Gerswhin: A Double Life
A concert celebrating the composer’s birthday this month, with pianist Alexander Wu, Saturday, Sept. 21, 2 p.m. Lynbrook Public Library, 56 Eldert St., Lynbrook. 599-8630.
A Rodgers and Hart Audition
A performance event highlighting the best of the Rodgers and Hart songbook, Saturday, Sept. 21, 2 p.m. With David Houston, Rich Heuthe, Melanie Lipton, Steve Corbellini, and Gail Merzer Behrens. Rockville Centre Public Library, 221 N. Village Ave., Rockville Centre. 766-6257.
Fiddler on the Roof
The beloved musical about the poor milkman raising his daughter in the village of Anatevka, Saturday and Sunday, Sept. 21-22, 8 p.m.; Wednesday, Sept. 25, 2 p.m. $20, $18 seniors and students, $14 youth. All tickets $25 day of show. BroadHollow Theatre, BayWay Arts Center, 265 E. Main St., East Islip. (631) 581-2700 or www.broadhollow.org.
The actor-comedian tours with “The Ultimate Jew” standup act, Saturday, Sept. 21, 7 p.m. $29.50-$69.50. NYCB Theatre at Westbury, 960 Brush Hollow Rd., Westbury. (800) 745-3000 or www.livenation.com.
Le Chat Noir
A dance showcase, performed by DWM Long Island Studio, Saturday, Sept. 21, 7 p.m. $35, $65 including after-party. SUNY Old Westbury, Maguire Theater, Rte. 107 North, Old Westbury. 656-9500.
Long Island Sound Barbershop Chorus
The ensemble sings the music of yesteryear, Saturday, Sept. 21, 3 p.m. Tickets required. Baldwin Public Library, 2385 Grand Ave., Baldwin. 223-6228.
An afternoon of sophisticated jazz mixed with cabaret, performed by Manhattan Jazz, Saturday, Sept. 21, 2 p.m. Elmont Memorial Library Theater, 700 Hempstead Tpke., Elmont. 354-5280.
The latest installment of the Nunsense musical comedy franchise, Saturday, Sept. 21, 8 p.m.; Sunday, Sept. 22, 3 p.m. $20, $17 students and seniors Friday and Sunday. Merrick Theatre & Center for the Arts, 2222 Hewlett Ave., Merrick. 868-6400.
Paul Taylor Dance Company
The acclaimed modern dance ensemble performs three pieces choreographed by Taylor, Saturday, Sept. 21, 8 p.m. Program includes “Mercuric Tidings,” “Sunset” and “Cloven Kingdom.” $40-$65. Madison Theatre, Molloy College, 1000 Hempstead Ave., Rockville Centre. 323-4444 or www.madisontheatreny.org.
The Blue Vipers of Brooklyn
The band presents a program of early jazz swing and blues, Sunday, Sept. 22, 1:30 and 4 p.m. With swing dancers Paolo Pasta Lanna and Laura. Tickets required. Hewlett-Woodmere Public Library, 1125 Broadway, Hewlett. 374-1967.
The iconic singer-songwriter in concert, acompanied by CSN keyboardist James Raymond and guitarist Shane Fontayne, Sunday, Sept. 22, 8 p.m. $60 and $40. NYCB Theatre at Westbury, 960 Brush Hollow Rd., Westbury. (800) 745-3000 or www.
An afternoon of vintage rock ‘n roll, Sunday, Sept. 22, 2 p.m. Elmont Memorial Library Theater, 700 Hempstead Tpke., Elmont. 354-5280.
Wining and Dining
Chadwick’s annual fall wine dinner returns, Wednesday Sept. 25,7 p.m. Enjoy five courses of creative New American fare paired with five wines from around the globe. $59 (plus tax and gratuity). Chadwick’s American Chop House & Bar, 49 Front St., Rockville Centre. 766-7800 or www.chadwicksli.com.