Aragall’s professional debut was at the Gran Teatro La Fenice, Venice, on 24 September 1963, in Verdi's opera Gerusalemme. The same year, he appeared at the Teatro alla Scala in Milan in L'amico Fritz by Pietro Mascagni, and signed a three-year contract with the theatre.
Aragall made his professional debut on September 24, 1963, at the Gran Teatro La Fenice in Venice, performing Verdi's opera Gerusalemme. That same year, he also appeared at the Teatro alla Scala in Milan in Mascagni's L'amico Fritz and signed a three-year contract with the theatre.