Mad Cool Festival celebrates its tenth anniversary in 2026 with four days of music at Iberdrola Music in Madrid, and a lineup of more than 70 acts including JENNIE, Foo Fighters, Florence + The Machine, Lorde and Kings of Leon.
Mad Cool Festival celebrates its tenth anniversary in 2026 with four days of music at Iberdrola Music in Madrid, and a lineup of more than 70 acts including JENNIE, Foo Fighters, Florence + The Machine, Lorde and Kings of Leon.