Encouraged by his parents , both of whom were music teachers , he took up several instruments : the piano , violin , cornet and French horn .
Born in Waukegan , Illinois , Graham 's first interest growing up was music .
Encouraged by Graham 's parents , both of whom were music teachers , Graham took up several instruments : the piano , violin , cornet and French horn .
Born in Waukegan , Illinois , Graham 's first interest growing up was music .