Background
She never pursued a professional music career, fearing she could never live up to her father"s exacting standards. Despite this, she was one of the few people who were willing to stand up to her father. When Arturo Toscanini refused to speak with her sister, Wally, following her affair with a married man, it was Wanda who confronted her father and insisted he reestablish contact.
Knowing that Thomson frequently gave her father negative reviews, she approached him and announced, “I am Wanda Toscanini Horowitz, and I saw you sleep from the first note to the last.