After years of movies that often downplayed characters breaking into song, the Disney musical returned in a big way with 2013's Frozen. Along with winning that year's Oscar for Best Animated Feature Film, it also won the Academy Award for Best Song with "Let It Go." Much like another Disney classic, The Little Mermaid, Frozen was inspired by a Hans Christian Andersen fairy tale -- in this case, The Snow Queen. And while Robert Lopez (who became the 12th person to have earned an Emmy, Grammy, Oscar, and Tony thanks to his work on the film) and Kristen Anderson-Lopez aren't as established a songwriting team as Howard Ashman and Alan Menken, they bring plenty of contemporary Broadway dazzle to songs like "Love Is an Open Door" and "Do You Want to Build a Snowman," which outlines the complicated relationship between Frozen's leading ladies, the sisters Anna (Kristen Bell) and Elsa (Idina Menzel). While the tracks that offer comic relief, such as "In Summer" and "Reinde