A musician agrees to play a show for two hours every Saturday
evening at an expensive restaurant. On several Saturdays, he plays for
only one hour or doesn't show up at all. The restaurant sues the
musician, demanding he return part of the money he was paid up front.
The situation described in the passage best represents which legal concept?
A. Negligence
O B. Mediation
O C. Breach of contract
O D. Intentional tort