Kristen Anderson-Lopez and Robert Lopez sit down with Sodajerker to talk about their writing process on the Disney smash hit Frozen, as well as a number of other projects. In addition to the stories behind songs like 'Let it Go', 'Do You Want to Build A Snowman?', 'Love Is An Open Door' and 'Fixer Upper', the couple also provide detailed insights into the thinking behind songs from Bobby's Tony Award-winning musicals Avenue Q and The Book of Mormon.