Either way, the new tour could mean that Jay-Z will earn ten times more this summer than he did in 2003.

FORBES: Why Jay-Z Is Making More Than Justin Timberlake On Their Summer Tour

In the summer of 2003, Jay-Z spent much of his time on the road, playing 33 dates with 50 Cent, Busta Rhymes and Missy Elliott on the Rock the Mic tour.

FORBES: Eleena Azlan Shah

Superstars Jay-Z and Justin Timberlake had to team up to book 14 stadium shows this summer.

WSJ: Kenny Chesney: King of the Road