And we’re not talking about hair. Photo-Illustration: Vulture; Photos: Getty Images (Denise Truscello, Christopher Polk, Will Heath) Lady Gaga has been reborn this way. On her new record, Mayhem , she’s back to the rock-influenced dance tracks that defined her early career, caterwauling about someone “putting paws all over me” on “Zombieboy” and making “Paparazzi”-esque moves on “Perfect Celebrity” by belting about the glamorous violence of fame. Do a lot of these songs sound as though Gaga