Legal online sources for copyrighted materials
There are many legal sources for copyrighted material such as music and movies. They have a wide range of business models; some are even free. The most up-to-date and comprehensive compendia of legal sources are maintained by industry associations. In addition to useful lists of music sources, the web sites below also present the industry's perspective on copyright issues.
Hege Library also has a number of licensed resources you can use: