76 events on march 20 on the BIG City Calendar!

Heads up at the Seaport Museum — Free museum admission Sat Sep 26, 10am–4pm, during the Delaware River Festival — pick up a ticket at the festival info table at Penn's Landing, while supplies last. Festival details

Heads up in #music — Philly Music Fest turns 10, Oct 12–18 — 25 bands and musicians over seven nights at independently owned venues. Visit Philly

Heads up at Xfinity Mobile Arena — Gritty 5K Sep 26, 7:30am from Lot E — registration includes a shirt, medal, and a Flyers home game ticket. Kids 12-and-under discounted. source

Heads up at Magic Gardens — “Living Through Death: Works by Ivette Chaires” thru Nov 8 — Día de Muertos papier-mâché and Mexican folk art, included with admission. Visit Philly

Heads up in #family — Please Touch Museum turns 50 with a two-day birthday bash Oct 3–4 — free admission. Visit Philly

Heads up at the Arden — 1812 Productions' “This Should Never Be a Musical” thru Sep 27 — the audience names the show, the cast improvises it. Opens 1812's 30th season. source

Heads up at the Art Museum — Pay what you wish Friday nights extended thru June 25, 2027. Attendance up 87% since program's return. source

Heads up at the Kimmel — Orchestra After 5 on Oct 8: 5pm happy hour on the Plaza, a one-hour concert at 6:30 with no intermission, artist chat after. source

Heads up at the Walnut — “The Addams Family” thru Nov 1. Kids Night Oct 29: one free youth ticket with a full-price adult. Halloween's 7pm show: all seats $35. PhillyVoice

Heads up at the Barnes — “Noguchi to Asawa” opens Sep 20 — sculpture and design by Japanese American artists including Ruth Asawa and Isamu Noguchi. Through Jan 10. source

Heads up at the Fabric Workshop — Friend membership $50/year ($35 for artists, educators, students) — free hands-on screenprinting studio tours and event discounts. Membership info

Heads up in #nomnomslurp — Dine Latino Restaurant Week Oct 4–10: order two dinner entrées at a participating restaurant, get a complimentary appetizer or dessert. Visit Philly

Heads up at PhilaMOCA — The TOXIC MOON world premiere Oct 3 is sold out — an encore screening is Sun Oct 4 at 4pm, $12. PhilaMOCA calendar

Heads up in #theatre — Visit Philly's fall guide picks 30+ can't-miss shows — updated Sep 8. Visit Philly

Heads up at the Fillmore — Opened 2015 in the 1912 Ajax Metal Factory. The original smokestack runs through the second-floor club, The Foundry, where the bar is salvaged Ajax wood. The Fillmore's story

Heads up at Penn Live Arts — Arts of India Festival Community Day Sun Nov 1 at 1pm — dance, Penn Sargam, a percussion demo. Free, registration requested. Community Day

Heads up at Chris' Jazz Cafe — 37th anniversary weekend Sep 25–26 with Lucy Yeghiazaryan and Grant Stewart's quartet — sets at 7:30 and 9:30, $30 Friday, $35 Saturday. 37th Anniversary