Possibly the best amateur documentary i've seen since [ame=http://www.youtube.com/watch?v=5SaFTm2bcac]Video explains the world's most important 6-sec drum loop - YouTube[/ame] which also finishes by emphasising the same point
''........Culture is impossible without a rich public domain. Nothing today, like nothing since we tamed fire, is genuinely new. Culture, like science and technology, grows by accretion, each new creator building on the works that came before...........''