The All Things Go Festival 2026 has revealed the lineup of the 12th D.C.-area edition, with headliners including Hayley Williams, Brandi Carlile, Zara Larsson and ATG alumni, Mitski, Muna, Lola Young , and Ethel Cain. The three-day festival, which has sold out for five consecutive years, features such up-and-coming artists as Sienna Spiro, Slayyyter, the Beaches and comedian Robby Hoffman and many more playing across two stages. Known for its uniquely curated, fan-first approach, All Things Go has become a cultural touchpoint for a new generation of music fans. A new addition to the music-focused lineup is the. Popular on Variety Again, the festival is set for three days, now Friday, Sept. 25, Saturday, Sept. 26, and Sunday, Sept. 27. The festival returns to its iconic venue, Merriweather Post Pavilion in Columbia, Md. The fan presale is set for Wednesday, May 6 @ 10 am ET, and the public on sale is Thursday, May 7.…