Music can be used without royalty payment if it is in the<em> copyright-free category.</em> I believe.
Engineering Design Loop: The steps of the design process include: identify the need, research the problem, develop possible solutions, select the most promising solution, construct a prototype, test and evaluate the prototype, communicate the design, and redesign.
Sorry If this doesn't answer your question. This is the only thing I could find about this topic.
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The answer you are looking for is true.
The kind of structure these lyrics show are: C. Both call-and-response and verse and chorus.
The Verse and chorus are written as one verse and one chorus and sometimes repeated within the song or poem. Whilst, Call and response is a succession of two noticeable phrases mostly written in various parts of the music, wherein the second phrase is heard as a straight up commentary on or in response to the first one.
