Mme. Isabelle Bouton Mezzo Soprano. Formerly of the Metropolitan Opera Company UT' OR five years Mme. Bouton was one of the leading mezzo-sopranos of the J Metropolitan Opera Company, of New York. She left the Company to de vote herseif exclusively to the broader field of concert and oratorio singing. Not only has her operatic experience been wide and varied, but Mme. Bouton has appeared with great success in all of the largest festivals throughout the country. A thorough vocalist, she also possesses dramatic ability of a high order and excels as an interpreter of song, so sympathetic as to move her audience to an extraor- dinary degree. Her striking appearance adds greatly to the pleasure given by hier artistic singing.