“Caruso,” written by Italian singer/songwriter Lucio Dalla, is featured on the 2006 album Siempre by the classical crossover group Il Divo. “Their phrasing on…Caruso is excellent, drawn out to pull as much emotion as possible,” AllMusic said in their review of the record. The album sold over a million copies in the United States, and was the #2 classical crossover album on the Billboard charts for the year.
The track begins in C minor, modulates up a half step to C# minor for the second verse at 1:26, and then dramatically rises up another half step to D minor for the final chorus at 2:44.