The leaves are going off, meaning now is the time to perfect your outdoor photography skills with expert Jeremy Swanson, who teaches a workshop Saturday in Ashcroft, in partnership with ACES and the Art Base.

Image: Jeremy Swanson

Friday, September 21

Lunchtime Auctionette
11:45 p.m., Anderson Ranch Arts Center
This is your chance to buy original pieces of art by Anderson Ranch faculty, visiting artists, students, and staff, while also supporting the ranch’s educational programs. A BBQ lunch takes place from 11:45 a.m.–12:15 p.m., followed by the auctionette from 12:15–1 p.m. Lunch $10/auctionette free, andersonranch.org

Red Butte Cemetery Tour
1 p.m., Red Butte Cemetery, Aspen
Learn about the lives of prominent Aspen citizens who are buried in the cemetery. $15/adult, $12/senior, children 18 and under free, aspenhistory.org

Wilderness Workshop Community Party
5–9 p.m., Sopris Park, Carbondale
Enjoy live music by Sleepy Justice and the Ferlies, food truck by Slow Groovin' BBQ, plus Wilderness Workshop members get free beer and non-alcoholic drinks (there will be beverages available to purchase for non-members). Free, wildernessworkshop.org

Friday Night Movies: Wonder
7:30 p.m., Aspen Recreation Center (outside in the yard next to the pool)
Watch this family-friendly movie on an inflatable screen. Popcorn provided. Free, aspenrecreation.com

A Funny Thing Happened on the Way to the Forum
7:30 p.m., Glenwood Vaudeville Revue
This comedic musical, with music and lyrics by Stephen Sondheim and book by Burt Shevelove and Larry Gelbart, is inspired by the farces of the ancient Roman playwright Plautus. It also shows at the same time on Friday and Saturday. $30, gvrshow.com

La Pompe Jazz
8 p.m., The Temporary, Basalt
Recently nominated for best jazz band in Colorado by Westword and 303 magazines, this quartet plays its own brand of gypsy jazz, blues, and jazz standards. $15 in advance/$20 day of show, tacaw.org

Slow Magic
9 p.m., Belly Up Aspen
Get ready to dance with an evening of chillwave, downtempo, and EDM from this electronica producer. $18 in advance/$22 day of show, belllyupaspen.com

Saturday, September 22

Golden Leaf Half Marathon
8:30 a.m., Snowmass Village
The leaves look like they're going to deliver a spectacular show at this annual 13.1-mile run from Snowmass Village to Aspen, via the Government Trail, that's considered one of the country’s most scenic races. All 1,000 entries are sold out, but you can still volunteer at an aid station and cheer runners on along the way or at the finish at Koch Park. $80, aspenspecialevents.com

Aspen Alpine Guides Field Planning and Skills Clinic
8:30 a.m.–4 p.m., Aspen (location information with registration)
Presented in conjunction with the Elk Range Mountain Safety Coalition, this course will provide hands-on safety information so you can knowledgeably adventure in the mountains. Pre-registration required. $50; call 970-925-6618 to register

Fall Color Photography
9 a.m.–3 p.m., Catto Center at Toklat, Ashcroft
Learn about composition, exposure, and editing from Jeremy Swanson in this class that's a partnership between the Aspen Center for Environmental Studies and the Art Base. You're welcome to use any kind of digital camera. Registration required. $110 members/$125 non-members, aspennature.org

Smithsonian Magazine Museum Day
11–5 p.m., Wheeler/Stallard Museum
Hosted by Smithsonian, this celebration "of boundless curiosity" offers free admission to museums across the country. In Aspen, both the Wheeler/Stallard and Holden/Marolt Mining & Ranching museums are participating in the annual event. Museum Day tickets are required for admission. Free, smithsonianmag.com

Guided Tour
1 p.m., Aspen Art Museum
Drop in for a spotlight tour of the latest exhibitions led by museum staff. Free, aspenartmuseum.org

18th Annual Stirling Cup All-Star Classic
6 p.m., Aspen Rec Center
Members of the 1998 Olympic gold medal–winning US women’s hockey team face off against the University of Colorado Lady Buffaloes in this fundraiser for Aspen Junior Hockey. The Tailgate Party starts at 5 p.m. and includes a $5 meal of burgers or brats with chips and a drink. $5 to watch the game, aspenjuniorhockey.com

*The Girl Who Cannot Speak* will have its US premiere at the Launchpad in Carbondale this Saturday.

8th Anniversary Salon
7 p.m., The Launchpad, Carbondale
Modeled after the award-winning performance series in Philadelphia (itself modeled after the 19th-century European salons), this multimedia program includes percussionists David Alderdice and David Rodon; painter Kirk Robinson; vocalist Kris Drickey; and actor and director Stefano Da Fre presenting his documentary film The Girl Who Cannot Speak, which placed fifth at this year's Cannes Film Festival; and multimedia artist, and Salon curator, Alya Howe. $25, eventbrite.com

Library Cinema: Support the Girls
7:30 p.m., Pitkin County Library
Lisa, the general manager at Double Whammies, tries to maintain her optimism in this workplace comedy. $10 (includes popcorn), pitcolib.org

A Funny Thing Happened on the Way to the Forum
7:30 p.m., Glenwood Vaudeville Revue
This comedic musical, with music and lyrics by Stephen Sondheim and book by Burt Shevelove and Larry Gelbart, is inspired by the farces of the ancient Roman playwright Plautus. It also shows at the same time on Friday and Saturday. $30, gvrshow.com

Comedian Noah Gardenswartz
8 p.m., The Temporary, Basalt
A New York–based comedian, Gardenswartz is a writer and producer of The Marvelous Mrs. Maisel, has starred in his own special on Comedy Central, and was a semifinalist on Last Comic Standing. $19 in advance/$24 day of show, tacaw.org

An Evening Tribute to the Music of Dan Fogelberg
8 p.m., Harris Concert Hall, Aspen
Featuring John DeCrenza and Sheldon Felich, with special guests Sherri M. Starr, Tamara Anderson, and Gregory Eagle, the artists will perform diverse songs from Fogelberg's celebrated 35-year career. $35, aspenmusicfestival.com

Shannon Wise and Max Shrager perform with the Shacks at Belly Up on Saturday.

Image: Courtesy: Belly Up Aspen

The Shacks
10 p.m., Belly Up Aspen
Fronted by 20-year-old singer/bassist Shannon Wise and 22-year-old guitarist/producer Max Shrager, the band plays a mix of indie pop and early rock. No cover, bellyupaspen.com

Sunday, September 23

Sunday Crafternoon
10–2 p.m., The Art Base, Basalt
Visit the gallery and set up your kids to make arts and crafts during the Basalt Sunday Market. No registration is needed, but guardians are expected to stay with their young charges while crafting. $5 per child recommended donation, theartbase.org

Sunday Night Football
6:30 p.m., Belly Up Aspen
Watch the New England Patriots play the Detroit Lions with sliders, wings, beer, and more served right to your table. Talk about easy. No cover, bellyupaspen.com

Library Cinema: Support the Girls
7:30 p.m., Pitkin County Library
Lisa, the general manager at Double Whammies, tries to maintain her optimism in this workplace comedy. $10 (includes popcorn), pitcolib.org