Lady Gaga performs onstage during the 87th Annual Academy Awards at Dolby Theatre on Feb. 22, 2015 in Hollywood, Calif. The pop star goes from popular to praised Some were skeptical when they heard Lady Gaga would be honoring the 50th anniversary of The Sound of Music. After all, the star is better known for elaborate pop spectacles than for her vocal dexterity, and the movie’s songs demand a certain irony-free commitment it was unclear if Gaga could pull off. But from the second she s