Purchase Grand RockTember Music Festival - 2 Day Pass tickets for Grand Casino Hinckley Amphitheater in Hinckley, MN, scheduled for Fri, Sep 6, 2024 TBA. With 0 tickets up for grabs, priced between $10 to $1000 and an average price of $120, there's an option for every budget. Choose your ideal seat using our handy interactive seating chart.