Lavender Festival: The fragrant purple herb has many uses, and you’ll be a new person after visiting the more than 2,000 plants at this festival, with its guided tours, and food and drinks made with lavender, 9 a.m.-4 p.m. Saturday and Sunday, Denver Botanic Gardens, Chatfield Farms location, 8500 W. Deer Creek Canyon Road, Littleton, $7-$17, free 2 and younger; botanicgardens.org.

Colorado Music Festival: Allow a little world-class classical music to soothe your savage breast at the Chautauqua Auditorium, 900 Baseline Road, in Boulder. World-renowned pianist Yuja Wang will perform Thursday and Friday ($31-$113), among other concerts with internationally known musicians, talkbacks and open rehearsals through Aug. 9; coloradomusicfestival.org.

Tennyson Street Fair: Summer isn’t summer without at least one street fair, where you can hear loads of music, eat food and peruse the booths of more than 200 artisans. Performers include Laurie Michelle, Ryan Chrys & the Roughcuts and The Tenny Men. 4-9 p.m. Friday and 11 a.m.-8 p.m. Saturday, Tennyson Street, West 39th to West 43rd avenues, Denver, free; tennysonstreetfair.com.

Winter Park Jazz Festival: R&B chanteuse Patti LaBelle, she of the hits “Lady Marmalade,” “On My Own” and “New Attitude,” will headline the festival. Other jazz, R&B and soul performers include Brian Culbertson, Nelson Rangell and Gregory Goodloe, 10 a.m. Saturday and Sunday, Rendezvous Event Center, 78841 U.S. 40, Winter Park, $105.94-$125.94; axs.com, playwinterpark.com.

Elizabeth Celtic Festival: Your eyes, whether Irish or not, will smile when they gaze upon Scottish food, beers and ales, bagpipers, history reenactments and performances by Skean Dubh, The Commoners, Gobs O’Phun, Caitriona Irish Dancers and others. 9 a.m.-5 p.m. Saturday and 9 a.m.-4 p.m. Sunday, Casey Jones Park, 4189 Colorado 86, $10-$15, free 10 and younger; elizabethcelticfest.org.