"multiple performances" . "1900-12-01T20:15:00"^^ . . . . . . "vocal performance" . . "benefit performance" . . . . . . . . . . . . "symphony orchestra performance" . "Benefit: St. Mark's Hospital" . "Annual Thanksgiving Concert in aid of the St. Mark's Hospital\r\nKatharine Pelton and Isabel Bouton replaced Mme. Mantelli at the last moment." .