RENT (Smithtown Center for the Performing Arts. 2 E. Main St., through Oct. 2; also Tilles Center, LIU Post campus, Brookville, Nov. 6) Observe the 20th anniversary of the Broadway debut of “Rent” with a new production at Smithtown and/or a national tour coming to Tilles for the occasion. Inspired by Puccini’s opera “La Bohème,” the 1996 Tony and Pulitzer Prize winner set in the East Village was created by Adelphi University graduate Jonathan Larson, who died of an undiagnosed cardiac condition on the day his musical debuted Off-Broadway. In “Seasons of Love,” the show answers the question: How do you measure a year? “Five-hundred twenty-five thousand six hundred minutes.” But “Rent” is about way more than arithmetic. 631-724-3700, smithtownpac.org; 516-299-3100, tillescenter.org

1776 (John W. Engeman Theater at Northport, 250 Main St., Sept. 22-Nov. 6) In a presidential election year, it may not be much of an endorsement to mention that this Declaration of Independence musical was Richard Nixon’s favorite. It also topped “Hair” for the 1969 Tony for best musical. But the Founding Fathers and their wives — Abigail Adams and Martha Jefferson play prominent roles — were neither Democrats nor Republicans, except in the lowercase sense. It’s a refreshing concept in this hyperpartisan season. 631-261-2900, engemantheater.com

GEORGE AND GRACIE: A LOVE STORY (BroadHollow Theatre Company’s BayWay Arts Center, 265 E. Main St., East Islip, Oct. 8-23; also BroadHollow Theatre at Elmont, 700 Hempstead Tpke., Oct. 29-Nov. 13) Herricks High School alum Tommie Gibbons authored this play in the voice of George Burns, sharing stories about his life with Gracie Allen. The comedienne’s “illogic logic” charmed American TV viewers in the 1950s when she and Burns aired in proximity to their close friend Jack Benny. 631-581-2700, 516-775-4420, broadhollow.org

MURDER ON THE NILE (Staller Center, Stony Brook University, Oct. 15) Aquila Theatre, the Manhattan-based touring company specializing in classic theater, brings the Agatha Christie whodunit set on a paddle steamer in 1940s Egypt to Stony Brook for one night only. Don’t cheat by reading her novel “Death on the Nile” beforehand. Wait until after the reveal. 631-632-2787, stallercenter.com

TED SPERLING’S A BROADWAY ROMANCE (Tilles Center, LIU Post campus, Brookville, Oct. 15) The Tony-winning music director-conductor-pianist, whose credits include “Light in the Piazza” and revivals of “The King and I” and “South Pacific,” accompanies Laura Osnes and Santino Fontana — who played nice together in “Rodgers and Hammerstein’s Cinderella” — in an evening of Broadway love songs, some of which they shared on the Great White Way. 516-299-3100, tillescenter.org

URINETOWN (Smithtown Center for the Performing Arts, 2 E. Main St., Oct. 15-Nov. 6) Whatever worries you most in terms of election-year public policy — taxes, climate change, government overreach — is nothing compared with what’s happening in a fictional municipality where a 20-year drought led authorities to impose a “pay-to-pee” tax. This uproarious anti-establishment musical, which had the misfortune to open on Broadway just before 9/11, makes a return visit to Smithtown, where you’ll not be charged for restroom usage. 631-724-3700, smithtownpac.org

NOVEMBER (Hampton Theatre Company at Quogue Community Hall, 125 Jessup Ave., Oct. 20-Nov. 6) Yes, it’s a presidential election year, and a particularly impolite one at that. But can it top David Mamet’s politically incorrect satire that carries an advisory regarding “very strong language”? The play premiered on Broadway in another election year, 2008. But it can’t be said that it anticipated the election of a man called Obama. 631-653-8955, hamptontheatre.org

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THE SCARLET LETTER (Bay Street Theater, Long Wharf, Sag Harbor, Nov. 7-26). Nathaniel Hawthorne’s classic A-for-adultery novel comes to life — from the page to the stage — as part of Bay Street’s Literature Live! program. Students in several Long Island school districts study the novel in class and then see its live theatrical adaptation for free. There are also weekend and evening shows open to the public. You pay for your tickets, but you don’t have to study. 631-725-9500, baystreet.org

LEGENDS IN CONCERT (Gateway Playhouse, 215 South Country Rd., Bellport, Nov. 17-27) In this latest touring production, a cast of look-alikes and sound-alikes pays tribute to more living artists than in past shows at The Gateway, among them Adele, Lady Gaga, Justin Timberlake and Swedish disco group ABBA. Also on the dance card are David Bowie and Whitney Houston impersonators. 631-286-1133, thegateway.org

MARY POPPINS (Engeman Theater at Northport, 250 Main St., Nov. 17-Jan. 1) Family-friendly musicals are the Engeman’s option-of-choice for the holiday season. This particular choice points forward to a movie premiere slated for Christmas 2018 when Emily Blunt in the title role and Lin-Manuel Miranda of “Hamilton” superstardom co-star in “Mary Poppins Returns.” In the meantime, get your “Spoonful of Sugar” primer in flying-by-umbrella lore. 631-261-2900, engemantheater.com