The chorus was seated above the orchestra.

合唱位高于乐席。

The Prologue is all that precedes the Parode of the chorus; an Episode all that comes in between two whole choral songs; the Exode all that follows after the last choral song.

开白在合唱进歌之前；两首完整合唱歌曲之间是一个次；退歌紧随最后一首和唱歌。