found in sections 107 through 118 of the copyright law (title 17, U. S. Code
The purpose and character of the use, including whether such use is of commercial nature or is for nonprofit educational purposes
The nature of the copyrighted work
The amount and substantiality of the portion used in relation to the copyrighted work as a whole
The effect of the use upon the potential market for, or value of, the copyrighted work
purposes for which the reproduction of a particular work may be considered fair, such as criticism, comment, news reporting, teaching, scholarship, and research
Acknowledging the source of the copyrighted material does not substitute for obtaining permission.
Copyright protects the particular way authors have expressed themselves. It does not extend to any ideas, systems, or factual information conveyed in a work.
I found a great article that covers music copyright issues in the classroom. Check this article out -
The Center for Social Media showcases and analyzes media for public knowledge and action-media made by, for, and with publics to address the problems that they share. We pay particular attention to the evolution of documentary film and video in a digital era. With research, public events, and convenings, we explore the fast-changing environment for public media.