Idina Menzel's vast catalog takes her powerful pipes through some surprising chapters. Her throbbing update of Bette Midler's fierce devotional “Wind Beneath My Wings” and her piano-bar take on Lady Gaga's “Poker Face” prove that she's one of the 21st century's premier vocalists, while the wild Rent set piece “Over the Moon” allows her to inhabit the surreal world of performance artist Maureen.