Six Foot Blonde performance: 8 p.m. Thursday, The Velvet Elk Lounge, 2037 13th St., Boulder. Six Foot Blonde is a six-piece group from the Midwest. Frontwoman Julia Rusyniak’s voice and lyrics resemble a modern pop artist, backdropped by indie-rock instrumentation. Featuring a fusion of slide guitar, synth and three-part harmony, the pop band’s music has been described as lush and tight-knit in equal proportion, all while brimming with energy. $18, 303-993-8743, etix.com.

Wobblers & Walkers: 11:15 a.m. Thursday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Beginning toddlers explore language and books with their caregivers in a fun and intimate setting. Programs include rhymes, songs and books as well as time for free play and informal discussion of early childhood development. Space is limited. calendar.boulderlibrary.org.

Lounging Library: 1 p.m. Thursday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Attend a DJ meet and greet/workshop with live performance, free tea and treats provided by Lounging Lilac. calendar.boulderlibrary.org.

Pizza Party Thursdays: 4:30 p.m. Thursday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Come hang out with friends or make some new ones in the Teen Space while enjoying pizza. Play video games, make arts and crafts or just hang out. Pizza Party Thursdays are every second Thursday of the month. For grades 6-12. calendar.boulderlibrary.org.

“Matilda the Musical” performance: 7 p.m. Thursday, Boulder High School, 1604 Arapahoe Ave., Boulder. “Matilda the Musical” is a musical about a young girl with a sharp mind and vivid imagination who stands up to her cruel parents and headmistress to change her destiny. The musical is based on Roald Dahl’s 1988 novel “Matilda” and features music and lyrics by Tim Minchin. $10-$15, sites.google.com.

Yacht Rock Revue performance: 8 p.m. Thursday, Boulder Theater, 2032 14th St., Boulder. Yacht Rock Revue invites listeners on a nostalgic voyage through the sun-soaked melodies of the ’70s and ’80s. Based in Atlanta, this dynamic, 10-piece ensemble blends impeccable musicianship with a deep reverence for the yacht rock genre. Collaborations with yacht rock legends Elliot Lurie and Robbie Dupree underscore the band’s status as innovators within their genre. z2ent.com.

Rich Chiaraluce Quintet performance: 6:30 p.m. Friday, Full Cycle Café & Bar, 2355 30th St., Boulder. The Rich Chiaraluce Quintet will perform the music of the Cannonball Adderly Quintet — one of the most famous groups in the history of jazz. Cannonball was soulful, swinging and funky. Starting in the late 60s and into the early 70s, as the jazz audience started changing, Cannonball also changed with the new style combining rock, gospel and straight-ahead. $20-$25, fullcyclecafebar.eventcalendarapp.com.

“Testing 1-2-3” opera concert: 7:30 p.m. Friday, Christ of Science Church, 2243 13th St., Boulder. Attend a special concert series at a potential new home for Boulder Opera. The group’s finest singers will test the acoustics and energy of the space by performing arias and scenes from a variety of beloved operas. Drinks and light snacks will be available. A second performance will take place at 4 p.m. Sunday. Pay what you can, boulderoperacompany.com.

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