Music consisting of two or more melodies sounding at the same time, having equal emphasis by not necessarily starting and stopping at the same time

When critiquing a collection of photographs, ask all of the following questions except:

a. Can any of the photographs tell the entire story alone, without the other photographs? b. What are the similarities and differences in subject matter across the collection? c. Do some of the photographs have better storytelling ability than others? d. What do you think the photographer was trying to say with this collection?

The opera Rigoletto was composed by __________ and was based on a play by Victor Hugo.

Fill in the blank(s) with the appropriate word(s).