Lily Allen, Yung Lean, CMAT, Courtney Barnett, Cara Delevingne and others are also on both show's lineups. FKA twigs at the "Mother Mary" New York Special Screening held at the Metrograph on April 13, 2026 in New York, New York. John Nacion/Variety Trending on Billboard This summer’s Primavera Sound ’26 festivals in Buenos Aires, Argentina and São Paulo, Brazil will feature headlining sets from Gorillaz, The Strokes, FKA Twigs and Lily Allen, who will perform her West End Girl album in its entirety. Explore See latest videos, charts and news The offshoots from the original Primavera Sound Barcelona — which takes place from June 3-7 in Madrid this year — will be held, respectively, in Buenos Aires on Nov. 28-29 and São Paulo on Dec. 5-6. Other acts slated to play both events include: Yung Lean, CMAT, Courtney Barnett, underscores, Danny L Harle, Nation of Language, Juana Molina, Santi Motorizado, Cara Delevingne, Smerz, Marilina Bertoldi, Mannequin Pussy, Model/Actriz, Juliana Gattas and more.…