COPYRIGHT
Record labels, music publishing, artists

There have been many defining records that were released without the artist first legally “clearing” the samples contained within.  Take for instance two coveted 1989 hip hop releases, Paul’s Boutique by the Beastie Boys and De La Soul’s 3 Feet High and Rising, or Biz Markie’s precedent-setting 1991 release, I Need A Haircut.  These blatantly sample-heavy yet genius-laden works have helped to define hip-hop. and global culture at large for decades after their initial release, but have brought about an onslaught of lawsuits and hurt feelings along the way.

Read more here  http://www.womensradio.com/articles/SXSW-2010:-Why-Hasnt-The-Record-Industry-Sued-Girl-Talk%3F/4946.html