The process of putting together a play has a (often unspoken) code of procedure and behavior

Vitruvius called for tragic, comic, and satiric scenes on facade stages in outdoor theatres. Serlio called for:

a. tragic comic, and satiric scenes on façade stages for indoor theatres b. tragic comic, and satiric scenes in linear perspective for indoor theatres c. both of the above d. tragic, comic, and satiric scenes in indoor theatres with five vanishing points e. none of the above

This musical work is based on or else employs?

a) isorhythm b) a cantus firmus c) the principle of periodic phrase structure d) the principle of clear-cut phrase structure, yet phrases are irregular in length