Today
Clean Up, Green Up — Businesses, civic groups, schools, neighborhoods, families and individuals are invited to help spruce up the city of Longmont through Clean Up, Green Up. Volunteers can pick a park, greenway, street, alley or open space to clean up, or an area of need can be assigned. The program kicked off April 7 and runs through April 30; longmontcolorado.gov/parks.
David Burchfield and Emily Barnes — Devner-based David Burchfield and New Jersey-based Emily Barnes are scheduled to perform; 6:30 p.m., Still Cellars, 1115 Colorado Ave., Longmont; free; 720-204-6064, stillcellars.com/event/david-burchfield-and-emily-barnes.
Annie — Based on the popular comic strip by Harold Gray, "Annie" has become a worldwide phenomenon and was the winner of seven Tony Awards, including best musical. The beloved book and score by Tony Award winners Thomas Meehan, Charles Strouse and Martin Charnin, features some of the greatest musical theater hits ever written, including "Tomorrow"; 7:30 p.m., Jesters Dinner Theatre, 224 Main St., Longmont; $17-$42; 303-682-9980.
Snowbound Hounds — The Hounds perform classics from the 1950s, '60s and early '70s. Enjoy songs from the Beatles, Johnny Cash, Buddy Holly, Van Morrison, The Band, Grateful Dead and many more music legends. Their unique sound features guitarist Clark Robertson and pedal steel guitarist Mike Morrison, both members of the Bakersfield Band; 8 p.m., SKEYE Brewing, 900 S. Hover St., Ste D, Longmont; free; skeyebrewing.com.
Upcoming
Longmont Farmers Market — A growers-only farmers market in Longmont opens for the season. Available will be fresh produce, meat, flowers, eggs, cheese, breads and more. Weekly kids activities and seasonal harvest festivals; 8 a.m. Saturday, Boulder County Fairgrounds, 9595 Nelson Road, Longmont; free; 303-910-2236, bcfm.org/longmont-saturday.
Rattlesnake Hike — Enjoy a moderate 2-mile hike and learn about rattlesnakes, which live in the plains and foothills. Volunteer naturalists will share information about the prairie rattlesnake including habitat, ecology, behavior, and how to be safe in rattlesnake country. Participants should bring water and wear closed-toe hiking shoes; 10 a.m. Saturday, Ron Stewart Preserve at Rabbit Mountain, northeast of Lyons on north 55th Street; meet at group picnic shelter, Lyons; free; 303-678-6214, bouldercountyopenspace.org.
Quilt Show at the Spirit of Flight museum — The 5th Annual Quilt Show at the Spirit of Flight Museum is planned; 10 a.m. Saturday, Spirit of Flight Museum, 2650 S. Main St., Bldg. A, Erie; $5-$10; 303-517-5078.
Score: An interactive fundraiser for Greater Boulder Youth Orchestras — Watch and listen as composer Andy Reiner works with Greater Boulder Youth Orchestras students and the audience to create and perform a piece of music before your very eyes and ears. This unique event will be captivating for everyone, creating a memorable experience. The piece will be performed only once. RSVP at GreaterBoulderYO.org. Appetizers catered by Guillaume's European Catering; 5 p.m. Saturday, Center for Musical Arts, 200 E. Baseline Road, Lafayette; $20-$25; 720-891-2259, greaterboulderYO.org.
Teen Takeover Saturday — This is a drop-off program for tweens and teens, sixth-12th graders. The April 14 program will celebrate Earth Day. Join a special Earth Day-themed team trivia contest and other games. Sign up by noon on April 13; 6 p.m. Saturday, Longmont Public Library, 409 Fourth Ave., Longmont; longmontcolorado.gov.