Soprano Frances ALDA (4 letters) was an Italian-born American opera singer who had a successful career in the early 20th century. She was known for her roles in operas such as La Bohème, Carmen, and Rigoletto. She was also the first woman to sing the role of Mimi in Puccini's La Bohème. ALDA was one of the most popular sopranos of her time and was highly praised for her vocal range and dramatic interpretations.