Boulder Jewish Festival: 11 a.m., 1300 Pearl Street, 1300 Pearl St., Boulder. Join for a thoughtfully reimagined version of the 30th anniversary of the Boulder Jewish Festival. “Run For Their Lives” will be centered to bring increased awareness to the hostages still held in Gaza, while making space to recognize the survivors of Sunday’s attack. Free, 239-272-9099, boulderjcc.org.

Wildflower hike: 1 p.m., Colorado Chautauqua Academic Hall, 298 Morning Glory Road, Boulder. Join for a 2-mile, all-levels hike through Chautauqua’s scenic trails. Enjoy the beauty of native wildflowers and the Boulder Flatirons. Expect a 500-foot elevation gain. Wear layers, sturdy shoes and bring water. Hikers will be required to sign an experience event liability waiver when checking in for the hike. Free, chautauqua.com.

“Frozen” sing-a-long: 1:30 p.m., Boulder Public Library, 1001 Arapahoe Ave., Boulder. Bring kids to a movie and a sing-a-long. Everyone is encouraged to sing. Today’s screening will be “Frozen.” Fearless optimist Anna teams up with rugged mountain man Kristoff and his loyal reindeer Sven in an epic journey to find Anna’s sister Elsa, whose icy powers have trapped the kingdom of Arendelle in eternal winter. calendar.boulderlibrary.org.

Gisele Duquè concert: 6:30 p.m., Full Cycle Café & Bar, 2355 30th St., Boulder. Get swept into the spirit of Brazil with Gisele Duquè, a bold new voice in Brazilian music, delivering a night of samba, soul and swing with raw energy and refined artistry featuring an all-Brazilian band led by guitarist and local favorite Gabriel Santiago. With roots in Bahia, Rio and São Paulo, the group brings the full spectrum of Brazilian sound — from soulful sambas and funky grooves to reimagined classics and vibrant originals, all performed with fire and finesse. $20-$25, fullcyclecafebar.eventcalendarapp.com.

Colorado Chautauqua History Tour: 10 a.m. Monday, Colorado Chautauqua — Academic Hall, 298 Morning Glory Road, Boulder. Join for a walking tour of the Colorado Chautauqua National Historic Landmark. This quarter-mile stroll covers the central public buildings and cottages, including the iconic Chautauqua Auditorium, Missions House Lodge, Rest Cottage, Community House and Galey Cottage. Participants will meet in the Academic Hall Lobby. Free, chautauqua.com.

Fancy hat craft: 4 p.m. Monday, NoBo Corner Library, 4600 Broadway, Boulder. Show what pride means to you using upcycled materials to create a fancy hat. Snacks and all materials provided. Registration required. calendar.boulderlibrary.org.

Boulder Concert Band Parks Series: 7 p.m. Monday, Martin Park, 3600 Eastman Ave., Boulder. Connect with neighbors at a lovely Boulder park. Bring a picnic and relax as Boulder Concert Band makes beautiful music. 303-478-3044, BoulderConcertBand.org.

Diversity Book Club: 2 p.m. Tuesday, George Reynolds Branch, 3595 Table Mesa Drive, Boulder. Read books by diverse authors and discuss them over tea and coffee. Diversity Book Club meets the second Tuesday of the month. June’s book is “Loveless,” by Alice Oseman. calendar.boulderlibrary.org.

“Reefs of Time” book release: 5 p.m. Tuesday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. June is National Ocean Month. Dive into insightful conversation with local author Lisa Gardiner who will present on her new book “Reefs of Time: What Fossils Reveal about Coral Survival.” Gardiner weaves together science and stories from fossil reefs on tropical islands and modern reefs underwater. It takes readers on expeditions to learn about coral reefs history. A book signing will follow the lecture. Light refreshments will be served. calendar.boulderlibrary.org.

“Go West” artist talk: 5 p.m. Tuesday, Dairy Arts Center, 2590 Walnut St., Boulder. Attend an engaging and insightful artist talk featuring a panel discussion with some of the talented artists behind the “Go West” exhibition. The conversation will be guided by Melissa Utomo, co-founder of the Community Roots Arts Festival in Colorado, as she leads a discussion with artists Mattie Hanson, Taiko Chandler, Margaret Kasahara, Joon Tajadod and Bala Thiagarajan. “Go West” is a vibrant exhibition that celebrates the ongoing legacy and artistic impact of Asian American Artists in the American West. thedairy.org.

“Letters to My Daughters” performance and discussion: 7 p.m. Tuesday, Dairy Arts Center, 2590 Walnut St., Boulder. The Cultural Caravan’s first-ever world premiere is around the corner. Composer Scott Ordway has written “Letters to My Daughters” as a series of musical reflections on love, memory and a world in crisis. Josh Halpern joins Ordway for a conversation and live performance excerpts from this bold new work just days before its world premiere. Registration required. facebook.com.

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