Hi Mira,
A good resource for copyright and creativity is always Lawrence Lessig, and one of the best starting points is "How creativity is being strangled by the law"; an online lecture found at;
http://www.ted.com/index.php/talks/larry_lessig_says_the_law_is_strangling_creativity.html
He has also written a number of very interesting books on copyright, the law and creativity.
Mark Hellen