Caruso and Domingo are two of the most renowned tenors in the world. Luciano Pavarotti is often mentioned alongside them as the 'Three Tenors'. Caruso was an Italian operatic tenor who sang to great acclaim at the major opera houses of Europe and America. Domingo is a Spanish operatic tenor who has sung over 150 different roles in opera, and is also a conductor and director. Both Caruso and Domingo have been awarded numerous awards and honors for their contributions to the world of opera.