Tenor Feliciano Labo Had a Prestigious, If Overshadowed, Career That, After His 1954 Debut, Maintained a High Quality and a Remarkable Professional Honesty. His Wide Vibrato, Homogeneous Color and Perfect Timbre - Shaded Dark As Bronze - in General Opinion Made Him the Perfect Verdi Tenor. Aside Labo for This 1964 'Il Trovatore' Is a Singer Whose Voice and Career Was in Some Ways Similar to His: The American Soprano Anna De' Cavalieri (Anne McKnight), Another Authentic Verdi Voice Who Debuted Under Toscanini As Musetta in la Bohe?Me in 1946 But Sadly Left Behind a Fairly Scant Discography.