Child piano prodigy Ruth Slenczynska received an urgent telegram in 1934: Famed pianist and composer Sergei Rachmaninoff couldn’t play at his performance in Los Angeles because of an elbow injury.

Mary’s and Worthington Christian schools and to the music students of the music educators who play in WASO,” said Pfeifer. “Having a student attend with their family, or with a parent, will give many ...