Domenico Salvatori is a famous Peruvian male singer with a voice equivalent to that of a soprano, mezzo-soprano, or contralto.
Domenico Salvatori (27 September 1855  11 December 1909) along with Alessandro Moreschi, Domenico Mustaf and Giovanni Cesari, was one of the famous castrati singers of the late 19th century. 
A castrato (Italian, plural: "castrati") is a type of classical male singing voice equivalent to that of a soprano, mezzo-soprano, or contralto. 
