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(First the music and then the words) is an opera in one act by Antonio Salieri to a libretto by Giovanni Battista Casti. The work was first performed on 7 February 1786 in Vienna, following a commission by the Emperor Joseph II. The opera (more specifically, a ') was first performed at one end of the orangery of the Schönbrunn Palace in Vienna by an Italian troupe; simultaneously, Mozart's "Der Schauspieldirektor" was staged at the other end.