“Ghost Quartet” performance: 7:30 p.m. Monday, Dairy Arts Center, 2590 Walnut St., Boulder. “Ghost Quartet” interweaves four stories across seven centuries — a fairy tale about two sisters, an astronomer and a lazy evil bear; a retelling of Poe’s “The Fall of the House of Usher”; a purgatorial intermezzo about Scheherazade; and a contemporary fable about a subway murder. $25-$58, 720-468-0487, thedairy.org.

Littles Playgroup: 2 p.m. Monday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Form new friendships in this new playgroup for children ages 0-4 years old to have fun and caregivers to socialize. Sometimes it’s hard to connect with other caregivers and find playmates for the little ones, so here is an opportunity. Toys and light refreshments will be provided. Siblings welcome. All children must be accompanied with a caregiver. Registration required for each individual due to room capacity. calendar.boulderlibrary.org.

Aging Artfully — Bud Vase Pottery: 2 p.m. Monday, George Reynolds Branch, 3595 Table Mesa Drive, Boulder. For people ages 60 and older. Craft delicate, small vases designed to hold a single flower or a few stems. Guided by an experienced instructor, attendees explore techniques such as hand-building and personalize their creations with textures and shapes. Perfect for beginners and creatives alike, this class blends artistry and functionality, resulting in a beautiful, handmade piece to take home. calendar.boulderlibrary.org.

Floral Altar workshop with Yazz Atmore: 6 p.m. Tuesday, Dairy Arts Center, 2590 Walnut St., Boulder. Join the Dairy Arts Center and Yazz Atmore for a special floral altar workshop in honor of Black History Month. Check out the Black Futures in Art exhibition as participants come together to craft personal traveling altars. This workshop is an opportunity to play creatively and meaningfully with flowers and create an altar to connect with your ancestors and loved ones, past and present. Feel free to bring photos, trinkets, herbs or keepsakes to add an extra personal touch. This workshop is open to all ages. $25-$35, 303-444-7328, thedairy.org.

Trident Author Series: 6:30 p.m. Tuesday, Trident Café, 940 Pearl St., Boulder. Co-editor Nathan Schneider, a professor of media studies at CU Boulder, will introduce the book “Beautiful Solutions: A Toolbox for Liberation.” He’ll be joined by leaders in the Colorado solidarity economy, who will talk about their work and how to get involved in building a more just and sustainable economy. tridentcafe.com.

Faculty Tuesdays: 7:30 p.m. Tuesday, Grusin Music Hall (C112), Imig Music Building, 1020 18th St., Boulder. Attend “Dialogues,” an exciting musical journey where the art of musical conversation takes center stage. Pianist Suyeon Kim will be joined by her amazing colleagues — Alex Gonzalez, violin; David Requiro, cello; Sterling Tanner, trombone; Peter Cooper, oboe; Dan Silver, clarinet; Yoshi Ishikawa, bassoon; and Mike Thornton, horn. Free, 303-492-8008, cupresents.org.