Portia White, born in 1911, had a dream: to sing on stage. Even as a little girl in Halifax, Nova Scotia, she could imagine an audience before her, clapping as she took her bow. But how could a poor girl growing up in a family with ten siblings make that dream come true? At that time, there were few opera roles available for black singers. To become a recital singer, she would have to go to Europe to study. How could she ever afford that? But Portia...