 After singing for King Alfonso XII and the Royal family in Spain, Paoli returned to the United States and sang in various cities, among them New York, Boston, Philadelphia, Albany, Providence, Grand Rapids, New London, Detroit, Cleveland, Indianapolis, Buffalo, Pittsburgh, Syracuse and Chicago.In 1905, Paoli performed at the Grand Theatre du Conservatoire in Saint Petersburg, Russia.The Czar of Russia Nicholas II was present during one of the performances.