Lea Michele's stirring soprano was notable from a young age, and her 2006 performance as the questioning Wendla Bergmann in Spring Awakening showed off her emotional range. During her tenure on the much-beloved TV musical series Glee, her versatility kept her in pole position, as she nailed the high notes and pathos of Céline Dion's “It's All Coming Back to Me Now” and revealed her subtlety on “Jar of Hearts.” She's since emulated her idol Barbra Streisand, pairing modern pop ideas with expressive vocals on the pleading “Burn With You” and the stormy “What Is Love?”