Rufus Leaking is a popular rap music performer who has sold out every concert in the past two years.  Isabelle Ringing signed a contract with Rufus in which he agreed to perform two concerts in one evening for $50,000 (for both shows).  Isabelle anticipated selling out both performances in the 14,000 seat venue and hoped for over $100,000 in profits for the evening.  A short time later, Rufus told Isabelle that he would be breaching and would not perform.  Isabelle sued Rufus for specific performance.  Will she win?  Explain.