Answer:
Musical structure.
Explanation:
The A represents a musical idea or ideas, the B represents new, contrasting material, and the final A represents a return to the familiar music heard in the opening of the piece.
I would recommend you learn how to spell.
<span>Artists Sam Cooke and Ray Charles combined the genres Gospel and R&B to create soul music. </span>
As in a collaboration you are able to gain views of more than one person. Hence giving you a better outlook on your project.