Move over, Carrie, it's Gaga's turn! At the 2015 Oscars, Lady Gaga paid tribute to The Sound of Music in honor of the film’s fiftieth anniversary, surprising us all with plenty of head voice, raised keys and a full-out medley. Take a look at her stunning performance below of several of the show’s iconic tunes, including “My Favorite Things,” “Climb Ev’ry Mountain” and “Edelweiss.” Following the performance, the legendary Julie Andrews (who, in case you've never seen a movie before, starred in the 1965 film) joined Gaga on stage to congratulate her and talk about the iconic movie musical. If you haven’t been doing so for years already, start dreamcasting now!