Join the Bootstrap Brewing family for an afternoon of killer local music, great food and prizewinning Colorado Craft Beer, as music from Detroit and the world, that changed history and made generations shake it up, is celebrated; 1 p.m., Bootstrap Brewing Company, 142 Pratt St., Longmont; free; bootstrapbrewing.com/calendar.
Espresso! Gypsy Jazz — Espresso! includes an abundance of Colorado talent: Bill Pontarelli on clarinet, Jordan Ramsey on mandolin, Alexios Anest on lead guitar, Emily Reynolds on rhythm guitar, and Duane Webster on bass. The artists keep the tradition of American swing music and Gypsy jazz alive; 9:30 a.m., Spruce Confections, 767 Pearl St., Boulder; free; 303-875-7514.
Boulder Market — The 17th annual Boulder Market is a unique and enjoyable open air marketplace in scenic Central Park. At the market you will find visual art, high quality handmade items, and unique treasures sold from various local merchants; 11 a.m., Central Park, 1236 Canyon Blvd., Boulder; free; 720-272-7467, bouldermarket.com.
Boulder Friends of Jazz — Come to the Boulder Friends of Jazz jam session to listen, dance, play and enjoy; 1 p.m., Avalon Ballroom, 6185 Arapahoe Ave., Boulder; $2-$10; 303-449-1888.
Board Game Night — Join the Tune Up and Full Cycle staff for food, drinks, and games. Play on of a variety of games, from Monopoly to Battleship, or bring your own game and join the fun; 4 p.m., The Tune Up at Full Cycle, 1795 Pearl St., Boulder; free; 303-440-1002.
Boulder "Then and Now" Photo Exhibit — "Then and Now" pairs early 20th century photographs of 15 iconic Boulder locations with their 2007 counterparts; 8 a.m. Monday, West Senior Center, 909 Arapahoe Road, Boulder; free; 303-441-3148.
Bandshell Boogie — Bandshell Boogie is a free outdoor summer dance series bringing dance back to the public realm on Mondays; 7 p.m., Boulder Bandshell, 1212 Canyon Blvd., Boulder; free; bandshellboogie.com.
Boulder Concert Band-Viele Lake — The Boulder Concert Band's summer concerts bring neighbors together. All concerts are free. Sponsored by City of Boulder Parks and Recreation; 7 p.m. Monday, Harlow Plats Park/Viele Lake, 1360 Gillaspie Drive, Boulder; free; 303-478-3044.
Ted & Alice Miller — Ted & Alice Miller are on their Chasing The Sun Tour, bringing Northeast Nebraska, award-winning folk/Americana to Western Nebraska, Colorado and New Mexico. About Boulder's The Laughing Goat, the band says they "have heard a lot about this venue from our musician friends and we can't wait. Cynthia Brando opens the show; 8 p.m. Monday, The Laughing Goat, 1709 Pearl St., Boulder; free; 605-661-4466.
Boulder Tuesday Thursday Hikers — Join a day hike with a drop-in group. The group decides each time where to hike. It carpools to trailheads, and reimburse the drivers for expenses. Bring lunch, water, and snacks, and be prepared for all weather conditions. This is a leaderless group, and each person hikes at his/her own risk; 8 a.m. Tuesday, North Boulder Park, 7th and Dellwood, Boulder; free; 303-494-8822.
"What we can do about our culture of hate" — Golden West will screen the TED Talk "What we can do about our culture of hate." In this talk, political pundit Sally Kohn shares ideas on how we can recognize, challenge and heal from hatred in our institutions and in ourselves; 10:30 a.m. Tuesday, Golden West, 1055 Adams Circle, Boulder; free; RSVP 303-939-0883.