Performing change - identity, ownership and tradition in Ugandan oral culture

How do oral forms that have existed for generations reinvent themselves to remain valid in a high-tech world, in which communication is affected through cell phone and email? Who owns a song that has grown over decades, in and through the voices of a community? And what are the intellectual copyrights of a street performer when his act is posted on You Tube? These are some of the questions raised by the authors of these essays.