Antonio Giuglini was an Italian operatic tenor. During the last eight years of his life, before he developed signs of mental instability, he earned renown as one of the leading stars of the operatic scene in London. He created several major roles for British audiences, appearing in the first London performances of Gounod's Faust and Verdi's Un ballo in maschera. In London, he was the usual stage partner of the great dramatic soprano Thérèse Tietjens.

Italo Gardoni was a leading operatic tenore di grazia singer from Italy who enjoyed a major international career during the middle decades of the 19th century. Along with Giovanni Mario, Gaetano Fraschini, Enrico Tamberlik and Antonio Giuglini, he was one of the most celebrated Italian tenors of his era.