The intense, sometimes febrile art of Giacomo Lauri-Volpi seemed, during his early prime, a natural extension of his voice -- powerful, edgy, and possessed of a rapid, nervous-sounding vibrato. Described as "a law unto himself" by soprano Maria Carbone, Lauri-Volpi eventually settled into a somewhat more measured (though scarcely less competitive) artistry and may be considered one of the most important Italian tenors of his age. He continued to sing well into his sixties, although by that time, mere loudness was the primary attraction. An intelligent man behind the temperamen...