When Dixieland and ragtime jazz fans talk about their preferred genre, they call it “trad jazz,” short for traditional. If you’re a trad fan, then this weekend’s Wine & Dixieland Jazz Festival is your ticket to old-time fun in a laidback setting. Hit the lawns around Cline Cellars to hear Bay Area bands like Beyond Salvation, Devil Mountain Jazz Band, Jambalaya Big Swing Band and the Royal Society Jazz Orchestra among others. There’s food, wine and beer on hand, though you can bring your own picnic as well. Spend the afternoon getting jazzy on Saturday, July 9, at Cline Cellars, 24737 Arnold Drive, Sonoma. 11am to 6pm. $40–$45. 707.940.4025.