Stop the ****ing comparisons, we don't know if GaGa will be able to sell Stadiums in 30 years we don't even know if she will be alive, the reality is that in the present there's more demand to see GaGa live and the prices are the kind of prices people want to pay, both of them are successful, but sadly GaGa is booking more dates and selling out at a faster pace just as simple as that!