Minnesota man discovered that heavy metal music provided a soothing effect for his son Mason, who has cerebral palsy. Together, the father-son duo have traveled across the United States to see 1,200 metal bands and even started a metal music festival that

Minnesota man discovered that heavy metal music provided a soothing effect for his son Mason, who has cerebral palsy. Together, the father-son duo have traveled across the United States to see 1,200 metal bands and even started a metal music festival that