William Matteuzzi tutte"), Vincenzo Bellini ("I Puritani" and "La Sonnambula"), Gaetano Donizetti ("La fille du régiment") and Giovanni Pacini ("L’ultimo giorno di Pompei"). A highly respected Rossini specialist, he made his Metropolitan Opera debut in 1988 as Count Almaviva in "Il barbiere di Siviglia". He has performed Rossini's comic operas "La scala di seta", "L'occasione fa il ladro", "L'italiana in Algeri", "La gazza ladra", "La Cenerentola", "La pietra del paragone", "Il viaggio a Reims", "Le comte Ory" as well as his "opere serie" "Otello", "Zelmira, Armida", "Ricciardo e Zoraide", "Maometto II", "Semiramide", etc. He now mainly dedicates himself to teaching singing and
Rudy La Scala certification in Venezuela. La Scala produced "The Witch", Ambar's second album in 1980; the same year he also produced "Que Nota" for the singer Stella. In 1983, an album written and produced by La Scala, and performed by Arturo Vázquez was released. The theme song for the 1985 soap opera "Cristal", "Mi Vida Eres Tú", was written and performed by La Scala. "Cristal" and the song became very successful in Latin America and Spain. The song was included in La Scala's album "Volvamos a Vivir", which peaked at number two in the "Billboard" Latin Pop Albums chart in United States.