Which is an example of street artist?

You are asked to use two copyright images together to create a collage for a publisher. This practice is legal if:

a. You own copyright to both images. b. You own copyright to only one of the images, but only 50% or less of the second image will be used in the collage. c. You don’t own copyright to the images, but you notify the copyright owner of your project. Beyond that, no permission is necessary. d. You don’t own copyright to the images, and you can’t find the copyright owner to ask permission.

This chorus comes from which one of the following?

A. broadside parody B. field music C. melodrama D. ballad opera