“ Miss Sanderson has a pure soprano voice, reaching from E flat to G in alto. The lower tones are not remarkable for either strength or quality, but in the middle and upper registers her notes are phenomenally clear, musical and full in volume. Her debut in Paris was made on 16th May, 1889, when she astonished the music lovers and critics with her rendition of the florid music in "Esclarmonde." which was written for her by Massenet. She ranks with the greatest singers of the age. ”