Answer:
Musicals include every person's voice and their voices are incorporated in to one song that is trying to tell some form of a story. It wouldn't be a musical if there were one person right? So the "collaborative" part induces the fact that it is a musical with multiple roles for singing and acting. I hope this will help you, this answer came truly from me. Thank you.
Ray Charles is considered the founder of the soul music genre.
The flute has the widest range of any instrument in the woodwind section
A. Selecting a topic; considering presentation aids