A not-for-profit organization, initiated by the cellist Yo-Yo Ma in 1998, promoting collaboration among artists and institutions, promoting multicultural artistic exchange and studying the ebb and flow of ideas; 7:30 p.m., Macky Auditorium, 1595 Pleasant St., Boulder; bandsintown.com/e/1009294471.
Writing Motherhood — In this 8-week workshop, explore writing the many facets of motherhood. Read personal narratives by contemporary female authors and use the readings to inspire your own writing, whether it's a journal documenting one's day-to-day experience, the beginnings of an essay or memoir. All levels welcome. Limited to 6 participants; 10 a.m., Boulder Writing Studio, 777 Pearl St., Boulder; $405-$445; boulderwritingstudio.org/motherhood.
Happy Hour presented by The Fox and Boulder Theater — Win tickets to upcoming shows with the purchase of select Happy Hour menu items; 3 p.m., The Sink, 1165 13th street, Boulder; free; 303-444-7465, thesink.com/2018/04/17/happy-hour-presented-fox-boulder-theater.
Screening: "Hallways of Hope" — A special screening of "Hallways of Hope," an IndieFlix documentary about the impact of art on students and their community. Art happens. The hallways at Dixon Elementary Public School in Chicago are filled with museum-like art collections. Led by art teacher Joy Parham, students are able to connect history and today's news in spoken word poetry through their art. View this film and discuss the impact of art in schools with Friends art teacher Bryn Pennington and learn how Friends creates art that reflects and resonates; 6 p.m., Friends School North Campus, 3800 Kalmia Ave., Boulder; free; 303-499-1999, eventbrite.com/e/screening-hallways-of-hope-tickets-54698402394.
"A Plastic Ocean" Film Screening & Discussion — Described by Sr. David Attenborough as "one of the most important films of our time," "A Plastic Ocean" is the documentary that has captivated audiences and incited positive action around the world. Join for a film screening and a discussion by Ocean First Institute about the health of the ocean and steps we can take to make an impact; 6 p.m., Ocean First, 3015 Bluff St., Boulder; free; oceanfirst.blue/blog/january-2019-(1)/january-social-a-plastic-ocean-film-screening.
Brian Doerries: The Theater of War, What Ancient Greek Tragedies Can Teach Us Today — Translator and director Bryan Doerries presents his work with the "Theater of War" project. A self-described evangelist for classical literature and its relevance to our lives today, Doerries uses age-old approaches to help individuals and communities heal from trauma and loss; 6 p.m., Hale Science, Room 270, 1350 Pleasant Drive, Boulder; free; calendar.colorado.edu.
Movie Night at eTown Hall-BIFF Shorts! — A special movie night featuring BIFF's 2018 Shorts Program. Kick off the evening with a happy hour in the eTown Cafe (beer, wine, and snacks for purchase) before heading into the Hall for a specially curated program of short films; 7 p.m., Etown, 1535 Spruce St., Boulder; $15; 303-443-8696, etown.org/events/biff-shorts.
Backcountry Route Planning for Skiers and Snowboarders w/ the Konsellas — A comprehensive route and trip planning presentation featuring Brittany & Frank Konsella, co-authors of "Backcountry Ski & Snowboard Routes: Colorado." You'll learn all their tips and tricks and leave feeling more sound on backcountry planning; 7:15 p.m., Neptune Mountaineering, 633 S. Broadway, Boulder; free; 303-499-8866, facebook.com/events/2293113740972638.
Mary Pipher Author Talk — Mary Pipher will speak about and sign her new book, "Women Rowing North: Navigating Life's Currents and Flourishing as We Age;" 7:30 p.m., Boulder Book Store, 1107 Pearl St., Boulder; $5; 303-447-2074, boulderbookstore.net/event/mary-pipher-women-rowing-north.
West African Highlife Ensemble — Performing high-energy, tightly knit traditional, neo-traditional and highlife dance music from Ghana, CU Boulder's African Highlife Ensemble is the first university ensemble in the U.S. to perform highlife music; 7:30 p.m., Grusin Music Hall, 1020 18th St., Boulder; free; cupresents.org/event/11520/cu-music/west-african-highlife-ensemble.
Joe Hertler & The Rainbow Seekers — Live music from Michigan-based funk, soul and pop band; 9 p.m., The Fox Theatre, 1135 13th St., Boulder; $13-$15.
Laser Stranger Things — Take a trip to the upside-down in the safety of the dome. Experience the '80s tunes and soundscapes from the show reinterpreted in vibrant laser lights; 9 p.m., Fiske Planetarium, 2414 Regent Drive, Boulder; ticketswest.com/events/detail/laser-stranger-things.
After Hours: Breaking Barriers X The Block — These late night workshops are created for you to improve your dance on another level and dig in; 9 p.m., Block 1750, 1750 30th St., Boulder; facebook.com/events/326899878033957.
Italian Opera Night — Come and hear your favorite Italian repertoire while dining on delicious cuisine and sipping on spectacular libations. Arias and duets by Puccini, Mascagni, Mozart and more featuring local opera singers; 6 p.m. Friday, Caffè Sole, 637 S. Broadway, Boulder; $10; 573-356-1525, facebook.com/events/2200529340200033.
Boulder Premiere of "Leadman: The Dave Mackey Story" — Join us for the Boulder premiere of the film by Billy Yang and Matt Trappe, which chronicles the incredible story of local ultra runner Dave Mackey; 6:30 p.m. Friday, Dairy Arts Center, 2590 Walnut St., Boulder; facebook.com/events/569500716823955.
The Sweet Remains — An unusual band on today's music scene, The Sweet Remains is headed by three gifted and charismatic singer-songwriters, each of whom contribute to the writing and three-part harmonies that define the band's sound. The band's songs and approach hearken back to the harmony-driven music of the 60s and 70s like CSN, the Eagles and Simon & Garfunkel; 7:30 p.m. Friday, Chautauqua Community House, 900 Baseline Road, Boulder; $21-$24; 303-440-7666, chautauqua.com.
Piff the Magic Dragon —John van der Put is a magician and comedian from the United Kingdom who performs under the stage name Piff the Magic Dragon. A winner of multiple awards from British magic societies, he toured as a supporting act for Mumford and Sons, and has appeared on Fool Us and America's Got Talent; 8 p.m. Friday, Boulder Theater, 2032 14th St., Boulder; $25-$45.
Armchair Boogie — Hailing from Madison, WI, Armchair Boogie is a powerhouse newgrass band unafraid of exploring the realms of rock, funk and folk. With drums and electric bass backing acoustic guitar and banjo, the boogie boys have high-energy shows featuring fast-pickin' and improvised jams; 10 p.m. Friday, The Lazy Dog, 1346 Pearl St., Boulder; free; 303-440-3355.