Commute

Boulder World Tubers are sponsoring “the world’s greatest traffic jam,” and a unique way to get to work with their Tube to Work Day, beginning at 7 a.m. Friday. Tubers meet at Eben G. Fine Park, 101 Arapahoe Ave., Boulder; $22 (includes insurance); tubetoworkday.com.

The Bard

The Duke of York improbably seduces the widow of the man he’s murdered in Shakespeare’s “Richard II,” performed by the Colorado Shakespeare Festival at 7 p.m. Friday, and on various dates through Aug. 10, at CU’s Roe Green Theatre in the University Theatre Building; $26-$81; cupresents.org.

Bluegrass

Self-acceptance and preservation are among the themes in the latest album from the Americana band Nefesh Mountain, and the group performs at 7 p.m. Friday at eTown Hall, 1535 Spruce St., Boulder; $25; etown.org.

Music fest

Hazel Miller and the Collective, Chimbangle and Ghost of Caroline are just a sampling of the acts that will perform during the Roots and Rhythm Music Festival — an event that will benefit Community Food Share — beginning at noon Saturday, at The Garden at Left Hand Brewing, 1245 Boston Ave., Longmont; $25; communityfoodshare.org.

Comedy

Leader in the Denver Latino comedy scene, Ricky Ramos, is bringing some funny pals along for a night of laughs at the Dickens Opera House at 8 p.m. Saturday at the venue located at 302 Main St., Longmont; $12; eventbrite.com.

Colorado Music Festival

The power and brilliance of Wolfgang Amadeus Mozart take center stage when the Colorado Music Festival is joined by guest violinist Benjamin Beilman to perform “The Marriage of Figaro” and “Don Giovanni” overtures, as well as Violin Concerto No. 5 in A Major, and Symphony No. 34 in C Major at 6:30 p.m. Sunday at Chautauqua Auditorium, 100 Morning Glory Drive, Boulder; $23-$100; chautauqua.com.

Film festival

The Boulder Environmental Film Festival kicks off its four-day 2025 festival with a reception, including appetizers, libations and live music at 5:30 p.m. at the Hilton Garden Inn, 2701 Canyon Blvd., Boulder, and then a screening of the doc “The Lost Wolves of Yellowstone” at 7 p.m. at the Dairy Arts Center, 2590 Walnut St., Boulder. The festival features full length, shorts and more through July 20. Visit boulderenoff.org for more details.

Dance party

Xicano funk band Los Mocochetes is one of the most in-demand musical acts in the area, and the band will get you moving when it plays at Band on the Bricks from 5:30 to 9 p.m. (with opener El Javi), on the Pearl Street Mall in Boulder; free; boulderdowntown.com.

Psych jam

Foggy Mountain Spaceship is full of surprises, including unexpected cover songs and psychedelic instrumentals, and you can catch its act when the band performs during the Summer Concert Series at 7 p.m. Thursday at the Longmont Museum, 400 Quail Road, Longmont; free; longmont colorado.gov.

Theater

Storytelling comes to life when Miss Joanie Drama leads the kids through creative playmaking during the Children’s Theater: Page to Stage hour from 1 to 2 p.m. Saturday at the Boulder Library’s Canyon Theater, 1001 Arapahoe Ave., Boulder; free; boulderlibrary.org.