Matt and Rebekah Rolland — Brought together as young musicians by Arizona bluegrass and fiddle festivals, Matt and Rebekah Rolland have since garnered national recognition as performers, songwriters and founders of the Americana group, Run Boy Run, winners of the 2011 Telluride Band Competition; 9 p.m., The Laughing Goat, Boulder; 9 p.m., The Laughing Goat, 1709 Pearl St., Boulder; $10-$15.
REI presents: Making the Ultimate Cup of Camp Coffee— Meet REI at the Rayback Collective to explore different methods for making the best camp coffee; 9:30 a.m., July 21, Rayback Collective, 2775 Valmont Road, Boulder; free; 303-583-9970.
Foraging for Rocky Mountain Mushrooms — In this class, learn the basics of mushroom identification and what to know before going out on a hunt. Zach Hedstrom will also introduce a variety of local mushrooms and their identification features. This is a good class for beginners as well as those who have done some foraging before; 10 a.m., July 21, Harlequin’s Gardens, 4795 N. 26th St., Boulder; $15; 303-939-9403.
Free Rowing Open House — Come out to get a taste of rowing; 10 a.m., July 21, Boulder Reservoir, 5565 N. 51st, Boulder; free; 720-308-3332.
Charles Sawtelle Memorial Mountain Jam — Featuring Che Apalache, The Lonesome Days, Avenhart and Artist-at-Large, Bridget Law. The Charles Sawtelle Memorial Mountain Jam, aka The Charles, is named for Hot Rize guitarist, Charles Sawtelle, who helped start the event in 1989 and was a great supporter of KGNU Community Radio. Celebrating its 31st anniversary, The Charles is a family-friendly mini-festival of al fresco bluegrass and Americana music. Food and beverages are available for purchase. No pets or coolers, please, and no outside food or beverages may be brought into the festival area; 11 a.m., July 21, Gold Hill Inn, Boulder; $30-$35.
Adult Coloring — Each and every Sunday choose a coloring sheet from one of our adult coloring books, use our pencils. Cost includes a glass of wine, a choice of coloring sheets and pencils to work with; 1 p.m., July 21, Settembre Cellars, 1501 Lee Hill Rd #16, Boulder.
Crayons to Calculators — Help at the packing site for Crayons to Calculators by stuffing backpacks, sorting supplies, restocking the assembly line and have fun while helping students in need who attend Boulder Valley Schools. Great opportunities for groups, families, school teams and students; 10 a.m. Monday, July 22, Community Montessori School, 805 Gillaspie Drive, Boulder; free; 303-524-3865.
Midday Music Meditations — Take a quiet and relaxation-filled pause to immerse in a soothing improvised soundscape featuring instruments such as the Turkish Oud, cello, zils, didgeridoo, auto-harp, flutes, and more; noon, Monday, July 22, Meadows Branch Library, 4800 Baseline Road, Boulder.
High Crimes Book Group— Calling all mystery readers. This book club is for all fans of literary mysteries. Participants will read the selected book for the month and discuss. This group generally meets on the fourth Wednesday at the Meadows Branch Library; 5:30 p.m. Monday, July 22, Meadows Branch Library, 4800 Baseline Road, Boulder.
Meadow Music — Our hike takes about 30 minutes because of all the little legs that join it, but all ages should be able to accomplish the task. Along the way we’ll look for our color of the week and at the end our hike we’ll sing a song to bring out our animal of the week. After our hike we return to Chautauqua Green for a concert full of our original nature and science-based music. Bring a blanket to sit on, a picnic and some hiking shoes; 5:30 p.m. Monday, July 22, Chautauqua Park, 900 Baseline Road, Boulder.