HARD SUMMER MUSIC FESTIVAL 2017 ANNOUNCES VENUE CHANGE FESTIVAL MOVES TO GLEN HELEN AMPHITHEATER & REGIONAL PARK SATURDAY, AUGUST 5 & SUNDAY, AUGUST 6 FESTIVAL HEADLINED BY DJ SNAKE, JUSTICE, SNOOP DOGG, DOG BLOOD, BASSNECTAR, MIGOS, ZEDS DEAD, RAE SREMMURD AND SKEPTA TICKETS ON SALE NOW