Franz Xaver Gerl have been the composer of the aria "Ein Weib ist das herrlichste Ding", for which Mozart wrote a set of variations for piano, K. 613 (the composer may instead have been another singer-composer in the troupe, Benedikt Schack). Mozart gradually came to participate more in the activities of the Schikaneder troupe, culminating in his opera "The Magic Flute" (1791), with libretto by Schikaneder. Gerl premiered the role of Sarastro, and continued to sing this part in many performances through 1792. He left Schikaneder's troupe in 1793. Gerl may have been a participant in a rehearsal of Mozart's "Requiem" on the
Symphony No. 10 (Mozart) double barline at measure 118. The autograph score of the work, which does not contain any additional remarks by Mozart, bears the remark "Ouverture zur Oper Mitridate" ("Ouverture to the opera Mitridate") by the hand of Johann Anton André, which is struck out except for the word "Ouverture". Obviously André was under the impression that this piece was originally planned as an overture to "Mitridate, re di Ponto" (which has an ouverture of its own, different from this symphony). Symphony No. 10 (Mozart) The Symphony No. 10 in G major, K. 74, was written by Wolfgang Amadeus Mozart probably during