Communication between people - between about author and reader, composer and listener, film communicating or TV producer and viewer, artist and beholder - is what copyright is principally about. If the twentieth century is the age of technology, it is probably in the field of communications that the wizardry of applied technology is most spectacular. At the turn of the century if a Canadian wished to hear Nellie Melba sing, he had to go to Australia or she had to go to Canada.