Sally Clare Kellerman (June 2, 1937 – February 24, 2022) was an American actress, singer, and author.
Description above from the Wikipedia article Sally Kellerman, licensed under CC-BY-SA, full list of contributors on Wikipedia.
A teenager dreams of a career as a singer, but her cruel stepmother and sister-in-law do everything they can to stop her from succeeding; when a new boy comes to school, she tries to get his attention using her voice.