Bewitched - Season 5 Episode 3 Samantha on the Keyboard Witches are people too!
Overview: Endora gets Tabitha to play beautifully on the piano, and Darrin dares Samantha to learn how to play the mortal way. The Piano teacher hears Tabitha play and invites a famous conducter to see her play. Without magic, Tabitha does a poor job and the conductor is stunned. Samantha then finds a real prodigy for the conductor, and wins the bet with Darrin.