How dumb court decisions made it impossible to sample like the Beastie Boys(slate.com)
slate.com
How dumb court decisions made it impossible to sample like the Beastie Boys
http://www.slate.com/articles/business/moneybox/2012/05/adam_yauch_and_paul_s_boutique_how_dumb_court_decisions_have_made_it_nearly_impossible_for_artists_to_sample_the_way_the_beastie_boys_did.html
Just one famous example: http://en.wikipedia.org/wiki/The_Grey_Album
This is to say nothing of all the heavy sampling in EDM in the last decade plus.