I couldn't resist but share another supreme example of Caruso in a Verdi ensemble. Here is "Solenne in quest'ora" from La forza del destino. It was recorded in 1906 -- the year some say was Caruso's prime:
http://www.youtube.com/watch?v=ntGizYQjht8
The baritone was Antonio Scotti -- Caruso's friend, colleague, and compatriot (Scotti was also Neapolitan). It is said that Scotti was an invaluable advisor to Caruso in many matters of savoir faire. (Caruso, after all, came from peasant stock.)