Dec. 27 (UPI) -- Jon M. Chu's film adaptation of Wicked , starring Cynthia Erivo, Ariana Granda, Michelle Yeoh, Jonathan Bailey and Jeff Goldblum, is a huge box office hit. Following the untold story of Elphaba, the green-skinned girl who becomes the Wicked Witch of the West, and her friendship with Glinda, the Good Witch, the movie musical has left audiences enchanted -- and hungry for more musicals. Whether new to the genre or a lifelong fan, there is a treasure trove of musical movies to