He went to school at “Colegio Domingo Savio” at Los Teques, but had to leave at the age of fourteen due to his family’s financial problems.

While under contract to Metro-Goldwyn-Mayer as a potential successor to the cinematic tenor Mario Lanza, Sadel began a serious study of Italian opera, eventually singing full-opera productions under his birth name, Alfredo Sanchez-Luna.

He settled in New York since 1985 and traveled a lot since then to Caracas and Colombia, especially to Medellín, where he said he felt with pleasure the great affection paid by his people.

He made wonderful duets, among them with the soprano Alba Marina and another with Beny Moré who occupies preferences among collectors, the bolero "Alma libre".

He stood out as a composer, due to his inspiration countless pieces such as "I did not deceive you", "They are two words", "Another rose", "The iron man", "Swallows of time", "I want Maracaibo", "Reasoning ", and dozens more.