In 1767, 11 year-old Mozart composed Die Schuldigkeit des ersten Gebots, K.35 and Apollo et Hyacinthus, K.38: Summary, character list, and other related information.
1. Die Schuldigkeit des ersten Gebots, K.35 (The Obligation of the First and Foremost Commandment) is an oratorio, a sacred drama. Wolfgang Amadeus Mozart composed Part 1, Michael Haydn, Part 2, Anton Cajetan Adlgasser, Part 3. It was written in 1767.
Mozart was 11 years old when he composed this stage work. This was his first in drama and perhaps, it can be said that it was also a strict examination of him. Undoubtedly, the archbishop of Salzburg must have been hearing about the child prodigy Wolfgang Amadeus Mozart with certain amount of skepticism. Inevitably, the time had to come when somehow he had to send an order for Mozart to display his talent. A splendid feat for an 11-year old boy.
The Main Characters in Die Schuldigkeit des ersten Gebotes:
Die Schuldigkeit des ersten Gebotes is a sacred drama, an oratorio. The message is clearly taken from the Bible, Mark 12:30 - "Love the Lord your God with all your heart and with all your soul and with all your mind and with all your strength." (Source: Holy Bible, New International Version). Die Schuldigkeit des ersten Gebotes relates with the human spirit. It describes the human fear of death and eternal condemnation. The human spirit is drawn out from the cares of existence, and returns to God through repentance.
2. Apollo et Hyacinthus, K.38, is a three-act comedy in Latin composerd by Wolfgang Amadeus Mozart in 1767. It's not strictly an opera, but set of nine musical intermezzi to Widl's Clementia Croesi.
The Main Characters in Apollo et Hyacinthus:
One myth is that Hyacinth died from a discus thrown accidentally by Apollo. The discus hit Hyacinth on the head. Another myth was that the wind god Zephyrus was responsible for the death of Hyacinth. Out of jealousy, Zephyrus blew the discuss off course in order to hit Hyacinth. The librettist Rufinus Widl, a priest, modified Ovid's story (in which Apollo, Zephyrus, and Hyacinth constituted a homosexaual love triangle) to conform to the prejudices during his time by changing the sexually desired character from Ovid's Hyacinth to Melia, his sister.
Concise Oxford Dictionary of Opera by H. Rosenthal and J. Warrack (1972)
Mozart on the Stage by Janos Liebner, Calder and Boyars (1972)
opera.stanford.edu/Mozart/Schuldigkeit