When songwriter Stephen Schwartz sits at the piano, he feels the music. "When I was a kid and playing my Beethoven … I would play that bar over and over again, and cry. It's very embarrassing! Beethoven, living in a world that has nothing to do with ours, but he writes, and it speaks to us across the centuries."

Schwartz knows a little something about speaking to audiences. He's the composer and lyricist of "Wicked," the blockbuster stage musical-turned-two-part movie musical. Part two, "Wicked: For Good," opens Nov. 21.

The prequel to the classic "Wizard of Oz," "Wicked" tells the story of Elphaba (played by Cynthia Erivo), who grows up to be the Wicked Witch of the West. The bubbly Glinda (played by Ariana Grande) becomes the Good Witch of the North.

Ariana Grande and Cynthia Erivo pe

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