87 events on november 21 on the BIG City Calendar!

Heads up in #arts — Philadelphia Open Studio Tours, east of Broad, Oct 17–18 — free, self-guided, about 20 neighborhoods. REEL October, the 35th Philadelphia Film Festival, runs Oct 15–25 with 140+ screenings, some free. Visit Philly

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 in #family — Revolutionary Philadelphia: 1776 at the Museum of the American Revolution, Oct 17–18 — outdoor plaza activities free, guided tour $10 extra, costume contest Sun 11am–3pm. Visit Philly

Heads up at PRG East Falls — Intro package $49 — three day passes with gear and a beginner class. Membership $75/month, no commitment. Membership info

Heads up in #outdoors — Open Streets: West Walnut — seven car-free blocks, Sundays thru Oct 25. Philly Bike Ride Sat Oct 17, 7am: 20 miles of car-free streets, 5th year; registration required, finish-line festival free. Visit Philly

Heads up in #nomnomslurp — Scrapple & Apple Festival at Reading Terminal Market, Sat Oct 17, 10am–5pm — free to attend, pay-as-you-go. Philly Vegan Restaurant Week runs thru Oct 17 at over a dozen restaurants. Visit Philly

Heads up at Bartram's Garden — Indigenous People's Day Celebration Sun Oct 18, noon–5pm — performances, vendors, workshops. source

Heads up at Clark Park — Fall youth soccer runs Saturday mornings in the bowl, Sep 19 – Nov 7 — registration open, fee assistance available. source

Heads up at Philadelphia Brewing — WEIRDO Fest Sat Oct 17, 2–10pm — wrestling, clown arts, roller circus, film screenings, live music, interactive art. Free. PhillyVoice

Heads up at Second State Press — Artist Membership $50/year — studio rental by the hour ($20) or month, flat file space, free tool storage, class discounts. Membership info

Heads up at Xfinity Mobile Arena — Hans Zimmer Live – The Next Level, Feb 23 — one show only. General on-sale Fri Sep 25 at 10am. Arena news

Heads up at the Academy of Music — Opened 1857 and modeled on La Scala — the oldest opera house in the U.S. still used for its original purpose. Seats up to 2,600. About the Academy

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

Heads up at the Arden — “Girl from the North Country” Teen Night Sat Oct 17, $15 tickets for ages 13–18; Industry Night Sun Oct 18, $20 with code INDGIRL. Teen Night

Heads up at the Lantern — “The Weir” Nov 12 – Dec 13 — 90 minutes, no intermission. Under-30 tickets $25; standard seats $31–33. The Weir

Heads up at the Walnut — “The Addams Family” thru Nov 1. HalloWeek: mezzanine seats $28 on Oct 28; Kids Night Oct 29, one free ticket for 17-and-under per full-price adult (code ADDAMS); Oct 31 at 7pm, every seat $35. HalloWeek details

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 the Wilma — “The Little Prince” Nov 17–29 — Pay What You Wilma Nov 17 and Nov 27; 50% off kids' tickets with an adult at the 12, 2 and 4pm shows. Ages 7+. The Little Prince

Heads up at Hudson Table — November classes go live Oct 8 at 11am (first half) and Oct 15 (second half). They sell out. See the schedule

Heads up at the Kimmel — The Kimmel Center turns 25 this December — more than 10 million people through the doors since it opened in December 2001. 25 years of the Kimmel