A set of performances inspired on films such as Singin’ in the Rain, Moulin Rouge, Beauty and the Beast, Chicago, Dirty Dancing, Saturday Night Fever and La La Land.

Today’s top musical stars—including Paula Abdul, Usher and Glee’s Matthew Morrison—reveal why this iconic musical continues to influence and inspire musical performers around the world.

After disappearing for over a week, River tries to put her fragmented memory back together, while teetering on the brink of insanity and questioning what’s real vs a dream.