http://copyright.musiclibraryassoc.org/
~~~ maintained by the Legislation Committee of the Music Library Association (MLA) as a resource for anyone interested in issues of copyright as they apply to the fields of music and music librarianship.
The link below will take you to Buhl's Copyright Info page for Grove City College policies and other information regarding Copyright
Copyright Term and the Public Domain in the United States -- (Cornell University Copyright Information Center) This site includes sound recordings and even works that fall under international copyright laws.
Copyright Decision Map -- (University of Minnesota Libraries) Helps you decide which avenues to persue when working with an item that may or may not be covered by copyright law.
Fair Use Checklist -- (Columbia University Libraries Copyright Advisory Office) "Maintaining a record of your fair use analysis is critical to establishing your 'reasonable and good-faith' attempts to apply fair use to meet your educational objectives."