Brandi Carlile, Zara Larsson, Muna, Father John Misty, and Slayyyter will also play the Merriweather Post Pavilion event Hayley Williams, Mitski, and Ethel Cain (Getty Images) All Things Go Festival has unveiled the lineup for its 2026 edition. Hayley Williams , Mitski , and Brandi Carlile will headline the three-day music festival, with Ethel Cain, Zara Larsson, and Muna rounding out the bill. All Things Go will take place from September 25 to 27 at Merriweather Post Pavilion in Columbia, Maryland. The full lineup, which you can see below, includes nearly 50 acts. Among the rest are Slayyyter, Rochelle Jordan, the Beths, Tinashe, She & Him, Ninajirachi, Suki Waterhouse, Lola Young, CMAT, the Beaches, Wolf Alice, Rico Nasty, Rebecca Black, Rainbow Kitten Surprise, Violet Grohl, and Hemlocke Springs.…