Lady Gaga's brand new single "Perfect Illusion" is a dance floor anthem about a troubled relationship, iHeartRadio reports exclusively. Mother Monster gave the radio station the first listen to her upcoming single and explained the inspiration behind the track during her appearance at iHeartRadio HQ in New York City on Wednesday. "The song is about modern ecstasy. We found our sweet, simple, ragey way of saying it," Gaga said of the anthem she co-produced with Mark Ronson and Tame Impala's