Input (grade 12): During this time, he became a member of the Coro Nacional of Peru and sang as a soloist in Mozart's Coronation Mass and Rossini's Petite Messe Solennelle.
Output (grade 10): He became a member of the Coro Nacional of Peru and sang as a soloist in Mozart's Coronation Mass and Rossini's Petite Messe Solennelle.