4 million iPods have been sold this Christmas season, and cultural commentators have been falling all over themselves to define what the new era of portable digital music really, really means – you know, in, like, a really big, cosmic sense. Jim Walsh would like all the technogeeks and live music doomsayers to just settle down for a minute and enjoy the moment. What does it mean? “It means that four million people will be listening to the soundtrack of whatever they call their lives at the moment… It means that four million people will go to iTunes and drink in the celebrity playlists… What it doesn’t mean is that four million people will chuck their tapes or CDs.”