Madonna's 88-date MNDA world tour made the legendary pop-star the most money for any musician in 2012.  According to Billboard, Madonna made $34.6 million in 2012 and about $32 million of that (over 90 percent) came from her tour.

Classic rocker Bruce Springsteen was a close second thanks to his own tour.  Springsteen made about $33.4 million, most of that money came from tour revenue.

Billboard says that concerts make of 68.9 percent of the revenue from the top 40 artists on their Monkeymakers list.

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