Check for TICKETS Hard Summer Music Festival 2024 Dates, Ticket Info, Lineup TBA. The 2023 event was held in Los Angeles at the LA Memorial Coliseum, Exposition Park, and BMO Stadium and the lineup included Kaskade, John Summit, Diplo, 21 Savage, Sullivan King, Ludacris, Fat Joe, Black Coffee, Kayzo, Skrillex, Four Tet, Kid Cudi and …