One of the pivotal debates in this whole "Celestial Jukebox" reality is "what is recorded music worth in an era of infinite access?" The disturbing, if approximately correct answer is "something close to zero."
That's a great price point if you like listening to music – not such a great price point if you happen to be the poor creative shlub who is writing and recording the music.
So here is Techdirt's Michael Masnick explaining the economics of scarcity (physical products) -v- the economics of abundance (digital copies) in an easy to follow "UPS" animation, complete with circles and arrows: