Turkish State Opera and Ballet which was subsequently transformed into Ankara State Conservatory. The two lecturers were offered permanent posts at the conservatory, an offer which Paul Hindemith was not able to accept. Nevertheless, he kept visiting Ankara and inspecting the activities at the music school. Carl Ebert stayed in Ankara as the director of the conservatory theatre school and opera studio for the following nine years. On May 16, 1940, the State Conservatory was firmly established under law, comprising music, opera, ballet, and theatre schools. The first performance staged by the students of the conservatory was Mozart's one-act comic opera Bastien und Bastienne, performed
Moses und Aron reach their destined goal — unity with God. The work is scored for the following orchestra: Moses und Aron Moses und Aron (English: "Moses and Aaron") is a three-act opera by Arnold Schoenberg with the third act unfinished. The German libretto is by the composer after the Book of Exodus. Hungarian composer Zoltán Kocsis completed the last act, with Schoenberg's heirs' permission, in 2010, but "Moses und Aron" was almost always performed as Schoenberg left it in 1932, with only two of the planned three acts completed. "Moses und Aron" has its roots in Schoenberg's earlier agitprop play, "Der biblische