“It truly was a gift that landed on our laps in a way.”

We are not sure.

We’ll never know."

The First Notes: The Story of Do, Re, Mi

Robin Marchant/Getty Images; Little, Brown Books for Young Readers

After all, many of her colleagues in the musical theater world had no idea either.

She’s hoping that changes with the publication of the book.

Both Andrews and her daughter hope the new book is used as a teaching tool in schools.

“Those brains are so fertile,” she says.