 She was his favorite soprano and appeared in the premieres of a number of his operas, the roles having been created for her unique talents (her professional debut took place in Paris in the title role in "Esclarmonde").She was also a famous interpreter of "Manon", Massenet's most enduring opera.Sanderson was also admired by Camille Saint-Saëns, who wrote the title role in "Phryné" for her.