Musicians

IF DRM fails how can artists (musicians) make an income? Does DRM free music and film mean that their incomes will decrease and what alternatives have evolved to protect property rights? 1: History background, how musicians was earning money 30 years ago, and what has change until today 2: What is DRM( Digital Rights Management) 3: F DRM fails how can artists (musicians ) make an income? 4: Does DRM free music and film mean that their incomes will decrease 5: what alternatives have evolved to protect property rights? 6: switching cost and logging in 7: how illegal websites affects the income of musicians 8: What should the government do in order to stop the illegal websites 9: conclusion