Close your eyes and picture it: you step onto the grassy, sun-kissed lawn of a Malibu winery. You lay down a colorful picnic blanket. You pour flamingo-pink rosé into delicate champagne flutes and sip with your pinky in the air. None of that happened last month at the famous Rosenthal Wine Bar and Patio, which was transformed into a taco spice-fueled rave. Tucked in a nook off the Pacific Coast Highway, the idyllic winery recently welcomed electronic music stars Zedd and Big Wild, who performed on a bespoke stage with a transparent LED panel offering a view of the ocean. Powered and brought to life by First Tube Media, the event was the latest in Grubhub’s Sound Bites, a virtual episodic concert series that attracts millions of viewers thanks to its immersive livestreams. Malibu̵...