Notes"Songs have always been shareable and shared. People, young and old, share songs with each other – by singing or playing them - in a variety of ways and settings, through a variety of technologies and media or other manner of accompaniment (as well as a capella). Songs as recordings are not fundamentally different in this respect. Since the advent of recorded media, people have shared songs in this form as well: played for each other in private and public settings, on personally distributed mixes (mixed tapes / CDs), and, in the age of mp3s, as files sent via email, IM (instant message), torrent, third-party hosting site, or any manner of online sites and services. "Unfurl