"I played, like, a year of piano until I learned the Pink Panther theme. That was my goal. Once I was good enough, I quit. Now my music has to have some rock"

Jack Black's quote speaks to his enthusiasm for music and his willingness to pursue it. He was motivated to discover the Pink Panther theme on the piano, and when he attained his goal, he was pleased and carried on. This suggests that he is a goal-oriented individual who is not afraid to handle an obstacle and persevere. His quote also implies that he is open to different categories of music, as he discusses that his music now has to have some rock. This could suggest that he wants to explore various styles and include them into his own music. In General, Jack Black's quote reflects his enthusiasm for music and his willingness to check out different categories.