Oso: A number of concerts are planned to benefit the victims of the devastating Oso mudslide. Check out our list here.
Tulips: The Skagit Valley Tulip Festival continues this weekend. See what’s going on in our roundup here.
Derby: Tilted Thunder Rail Birds, a banked track roller derby league, has a bout at 5 p.m. on Saturday at Comcast Arena. Get more info and tickets here.
Musical tour: The Everett Chorale has a fun approach — a sort of artistic travelogue of Everett — for its Sunday concert, “We’re Going Uptown.” A slide show of Everett’s public art is to be accompanied by a variety of popular choral music chosen by director Lee Mathews.
Drip: Learn how to install a drip-irrigation system. You will save water and fertilizer and your plants will thrive. The free class is at 11 a.m. Saturday at the Plant Farm at Smokey Point.
Foraging: Urban forager Melany Vorass, author of “The Front-Yard Forager” will talk about identifying, finding and preparing edible weeds in an urban environment. Hear her talk at 2 p.m. Saturday at the Everett Public Library.
Discussing disasters: Natural disasters are top of mind right now. Susan Kiefer, a MacArthur “genius grant” winner and former professor of geology and physics, will give a talk on natural disasters and the possibilities of forecasting such events, at 2 p.m. Sunday at the Everett Public Library. She’s the author of “The Dynamics of Disaster.” The talk is free at the library, 2702 Hoyt Ave., Everett. Call 425-257-8000 with questions.
Jazz and blues: Northwest singer Mia Vermillion brings her chic jazz and sensual blues to Tim Noah’s intimate venue at 7:30 p.m. Saturday in the Thumbnail Theater in Snohomish. Get more info in our story here.
Ballet: Olympic Ballet Theatre will perform “Coppelia,” the comedic story of a doll-maker who creates a lifelike dancing doll. The ballet will be performed in Everett at 2 p.m. Saturday. Get the details in our story here.
Spring music The Everett Philharmonic Orchestra will perform its gala fundraising event “Spring Fling,” at 5:30 p.m. Sunday at the Everett Events Center Ballroom, 2000 Hewitt Ave., Everett. The music includes hits from Elvis, The Beatles, Beach Boys and Stevie Wonder. The event includes a gourmet dinner, dancing and an auction. Tickets. $90, are available at here or by calling 206-270-9729.
Correction: An earlier version of this story listed an incorrect time for the drip irrigation class at the Plant Farm at Smokey Point. The time has been corrected.