From the great beyond come the greatest hits. At least, that's true for pop musicians, who often see posthumous boosts in record sales. Prior to his death, George Harrison's album sales hovered around 1,000 per week, where they currently rest. But in the seven days following his death, they jumped to 13,000--a notable hike. For other musicians, however, the afterlife spike goes far beyond record stores and iTunes: In the two-and-a-half years since Michael Jackson's death, the King of Pop's estate has earned $400 million from licensing deals, publishing rights, and sales. Here's a look at four musical greats who prove that, even in death, the beat goes on.
A version of this article appears in the November 2011 issue of Fast Company.