“One To One — John & Yoko” film screening: 7 p.m., Dairy Arts Center, 2590 Walnut St., Boulder. An expansive inside look at the 18 months John Lennon and Yoko Ono spent living in Greenwich Village in the early 1970s, “One to One — John & Yoko” delivers an immersive cinematic experience that brings to life electrifying, never-before-seen material and newly restored footage of Lennon’s only full-length, post-Beatles concert. With remastered audio overseen by their son, Sean Ono Lennon, the film is a seismic revelation. $12, thedairy.org.

Atlas Expo: 4 p.m., Roser ATLAS Center, 1125 18th St., Boulder. Every year, Creative Technology and Design students take over the Roser ATLAS Center at CU Boulder to showcase the engineering projects they’ve been working on all semester. Go hands-on with games, electronics, AR/VR, interactive and immersive experiences, wearables, fabrication, motion capture and art installations. Explore dozens of projects across three floors. Free, colorado.edu.

Tony Furtado Duo concert: 7 p.m., Etown, 1535 Spruce St., Boulder. Americana roots via a multi-instrumentalist, Tony Furtado is an evocative and soulful singer, a wide-ranging songwriter and a virtuoso multi-instrumentalist adept on banjo, cello-banjo, slide guitar and baritone ukulele who mixes and matches sounds and styles with the flair of a master chef. $23-$38, eventbrite.com.

Steve Glotzer concert: 5 p.m. Friday, Kin Studio and Gallery, 4725 16th St., Studio 104, Boulder. Steve Glotzer is a guitarist with a rich career spanning over 50 years. Glotzer’s music style is a unique blend of folk, Latin, jazz, acoustic and blues. kinstudioboulder.com.

NoBo First Fridays: 6 p.m. Friday, NoBo Bus Stop Gallery, 4895 Broadway St., Boulder. Check out year-round arts from February through December featuring rotating monthly exhibitions at the NoBo Bus Stop Gallery and the NoBo Art Center, Crowd Collective, East Window Gallery, Rabid Rabbits and others. Enjoy live music, artist demos and special activations. Take a self-guided tour using the monthly map of artists’ studios and creative businesses. Meet painters, sculptors, photographers, designers, artists and artisans. Free, 919-522-1981, noboartdistrict.org.

The Lionel Young Blues Band concert: 6:30 p.m. Friday, Full Cycle Café & Bar, 2355 30th St., Boulder. The Lionel Young Blues Band gives a high-energy performance, featuring Jay Forrest on drums, Dirk Dickson on bass and Daryl Smith on guitar. $20-$25, fullcyclecafebar.eventcalendarapp.com.

Babysitting 101: noon Saturday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. This interactive workshop will cover essential babysitting skills, including first aid training, safety tips and fun activities and games for kids. Perfect for teens looking to gain confidence and responsibility. Registration required. calendar.boulderlibrary.org.

Annual Kentucky Derby Party at St Julien: 1 p.m. Saturday, St Julien Hotel & Spa, 900 Walnut St., Boulder. Join St Julien for its annual Kentucky Derby Day party that blends Southern charm with Rocky Mountain luxury. Guests are invited to sip mint juleps, don their fanciest hats and indulge in an afternoon of exhilarating horse racing excitement. In addition to the Run for the Roses, the event will feature live music from Maydays, a derby hat contest for prizes, cigar hand rolling with Palma Cigar and puppy racing to support Mile High Canine Rescue. $130, eventbrite.com.

Rodgers & Hammerstein’s “Cinderella” performance: 6 p.m. Saturday, The Spark, 4847 Pearl St., B4, Boulder. Rodgers & Hammerstein’s “Cinderella” tells the classic story of a young servant girl who dreams of a better life. The score is enchanting and joyful, filled with great warmth and more than a touch of hilarity. This fairytale still warms the hearts of children and adults alike. “Cinderella” reminds viewers that kindness will be rewarded and with self-belief and hope to make dreams come true. $15-$33, 720-432-7784, thesparkcreates.org.

Emerge 5K: 8 a.m. Sunday, Boulder Reservoir, 5275 Reservoir Road, Boulder. The Rise Against Suicide 5K is Emerge’s biggest annual fundraiser. Funds raised ensure the organization can continue to break social and financial barriers to mental health care for youth. The organization aims to provide free mental health therapy for kids in the community who are struggling with suicidal thoughts. givebutter.com.

Editor’s note: Availability and scheduling of events may be subject to change.