Il Divo of "Il Divo" is different and is subordinated to the independent paths in the world of opera, the classical crossover musical training, the voice formed and physiology of each. David and Urs are tenors, along with the baritone Carlos, they have long careers in the world of opera and classical music start from early vocal training. In contrast, Sébastien has not had any prior professional musical training (was self-taught), and is a tenor voice which the group classes as "vox populi" due to his pop tone. Besides music, the members of "Il Divo" are also known for their flawless, refined
Metro Vocal Group Barbershop and Doo-wop music. Their first contract was aboard Celebrity Cruises Mercury. After finishing the Mercury contract, Metro signed an additional contract aboard Celebrity Cruises Century for its inaugural European cruise. In 2000, the group was asked to be a part of the opening crew for the inaugural voyage of Celebrity Cruises Millennium. It was on board the Millennium where the group would find a distinct sound, adopting more of a pop rock genre, and rename themselves Metro Vocal Group. Shortly thereafter, Metro Vocal Group was hired as part of the opening crew for the Celebrity Cruises Summit's inaugural voyage.