ON THE CONTRARY,HER MADNA CONCERT TOURS ARE MASSIVE HITS WHEN IT COMES TO TICKET SALES,,FACT IS,ALL SINGERS HAPPENS TO EXPERIENCED FLOPS IN THIER CARRER..(except for the beatles and elvis preistly i guess),,ANOTHER FACT IS,madonna dominated the music industry for almost 3 decades and thats 30 IMPRESSIVE YEARS!!no any other artist reached that far!so UNDENIABLY,SHE IS AND ALWAYS BE THE QUEEN OF POP..