Curate your own lineup of headline-worthy concerts, Charli XCX-themed afterparties, art events, and more to appease your festival-induced FOMO. ADVERTISEMENTBefore the chaos of OSL weekend, get in a night of dancing at this free block party headlined by DJ Eric Rhodes. Joseph Okpako/WireImage/Getty Images | Source: Charli XCX will headline OSL for the first time this year. Charli XCX collaborator Umru, DJ Gaszia, DJ Mama San, and others join forces to celebrate this year’s festival lineup. Source: Morgan Ellis/The StandardBefore indie duo Sports kicks off Sunday’s OSL lineup, groove to their biggest hits in an intimate crowd.