So, that Tupac hologram. Wild, right? That's the typically baffled response to the news that the long-dead ‘Pac appeared alongside Dr. Dre and Snoop Dogg at Coachella, and that Dre is now brainstorming a way to send virtual Tupac on tour. And if this pays off, you just know that promoters will be looking to send more dead performers on the road. But which apparitions have the potential to sell the most tickets? To find out, we called up Jeff Jampol, whose JAM Inc. manages the estates of such late singers as Rick James, Jim Morrison, and Janis Joplin, among others. Here's his list of the ghosts who should start putting their riders together. (Only Cristal formaldehyde!)*
*The original version of this slide show had the year of Elvis's death wrong.