Claim: La Scala staged Doktor Faust (an opera by Ferruccio Busoni with a German libretto by the composer) for the first time on March 16, 1960 under conductor Hermann Scherchen; shortly thereafter, Doktor Faust had its United States premiere on December 1, 1964 in a concert format presented by the American Opera Society at Carnegie Hall.
Evidence: Doktor Faust is an opera by Ferruccio Busoni with a German libretto by the composer, based on the myth of Faust. La Scala staged the opera for the first time on 16 March 1960 under conductor Hermann Scherchen with Dino Dondi in the title role, Aldo Bertocci as Mefistofele, and Margherita Roberti as the duchess. Shortly thereafter, the work had its United States premiere on 1 December 1964 in a concert format presented by the American Opera Society at Carnegie Hall.