Scholarly articles and external links
  1. Linked is a short explainer piece written by nolo.com about when permission is needed to sample:http://www.nolo.com/legal-encyclopedia/permission-sampled-music-sample-clearance-30165.html

  2. Linked is an argument published in the Atlantic for looser sampling laws:http://www.theatlantic.com/entertainment/archive/2011/04/how-copyright-law-hurts-music-from-chuck-d-to-girl-talk/236975/

  3. Linked is a patent for improved music sampling techniques:https://www.google.com/patents/US4279185

  4. Linked is a scholarly article that explores whether or not artists are benefitting from music sampling:http://www.jstor.org/stable/10.1086/500683?seq=5#page_scan_tab_contents