Japanese Flower exhibition: 10 a.m., Boulder Public Library, Canyon Gallery, 1001 Arapahoe Ave., Boulder. Celebrate the season with a multi-cultural flower show. Over 50 beautiful ikebana flower creations will be featured. On display will also be Edo Period scrolls and holiday art works from Japan. For those interested in the history of Japanese flower arranging over the last 600 years, there will be a lecture and demonstration at at 2 p.m. in Canyon Auditorium. Free, 303-264-4287, ikebanaikenobokado.com.

Holiday Arts and Crafts Fair at Eldorado Ashram: noon, Eldorado Mountain Yoga Ashram, 2875 Co. Road 67, Boulder. Find the perfect, peace-filled gift at the ashram’s Holiday Craft Fair. All proceeds goes towards supporting the ashram’s year-round yoga, meditation and family programs. Free, 808-854-1807, facebook.com.

Boulder Concert Band’s “It’s the Most Wonderful Time of the Year!”: 7 p.m., First Congregational Church, 1128 Pine St., Boulder. Director Jon Borodach has favorite holiday music and lots of fun surprises in store for all ages, including a very special holiday story, “The Mouse’s Gift,” that takes place in Boulder. Free-$10, 303-478-3044, BoulderConcertBand.org.

Trace Bundy’s Acoustic Holiday: 7:30 p.m., Boulder Theater, 2032 14th St., Boulder. Internationally-acclaimed guitar virtuoso Trace Bundy must be seen, not just heard. His music uses harmonics, looping and multiple capos, and his unique banter and stage presence deliver an unforgettable live concert experience. $26-$38, z2ent.com.

The Good Kind’s Holiday Bash: 8 p.m., Roots Music Project, 4747 Pearl St., Suite V3A, Boulder. The members of Boulder-based The Good Kind (guitarist and vocalist Russ Grabski, bassist John Kang, guitarist and vocalist Drew Michael and drummer R.T. Weber) are live music fanatics who have seen hundreds of live shows performed by some of the greatest musicians of the last 50 years. These experiences fire the band’s rockets to create the ultimate live music show featuring a constantly rotating repertoire. $15-$120, eventbrite.com.

Boulder Holiday Gift Festival: 11 a.m. Sunday, YMCA, 2850 Mapleton Ave., Boulder. The 18th annual Boulder Holiday Gift Festival is Boulder’s biggest and best holiday shopping extravaganza. The festival is a great place to find the perfect gift from amazing local exhibitors. There will be a free concert starting at noon. Free, 720-272-7467, coloradoevents.org.

Holiday High-Jinks & Aerial Absurdities: 2 p.m. Sunday, Dairy Arts Center, 2590 Walnut St., Boulder. Aerial shenanigans on invented apparatus, lively music, A.I. generated experiments and more provide a fun antidote to all the holiday hoo-hah. Don’t miss the magic of aerial dance on stage as our stunning Professional Company performers take flight. $26-$30, 303-245-8272, frequentflyers.org.

JD Cordle and Ellen Rice at BOCO Cider: 4 p.m. Sunday, BOCO Cider, 1501 Lee Hill Drive, Unit 14, Boulder. JD Cordlé is professional blues guitarist with 35 years experience who has played live all over Colorado. He plays everything from old school blues to bluesy originals and everything in between, like Dylan, Beatles, U2 and Jimmy Hendrix. Ellen Rice is pop cellist singer-songwriter based in Louisville. Free, 720-938-7285, bococider.com.

Many Mountains at The Velvet Elk Lounge: 8 p.m. Sunday, The Velvet Elk Lounge, 2037 13th St., Boulder. Many Mountains is a folk-rock duo from Colorado. Forming in 2013, KR Nelson and Dustin Moran bring a genre-bending sound to folk-rock through their unique song arrangements and writing styles. From Gillian Welch to The Rolling Stones, the range of musical influences trickle through their music to create something fresh yet familiar. A kaleidoscope of sound, songs are interlaced with vocal harmonies and leads that alternate between the two songwriters. Free, 303-993-8743.