Frozen 2: Kristen Anderson-Lopez & Robert Lopez sing 'Into the Unknown' | Extra Butter Interview

Songwriters Kristen Anderson-Lopez and Robert Lopez talk about the new music in Frozen 2 and even sing part of 'Into the Unknown.' The pair tell Mark S. Allen that their children can be their harshest critics but even they are excited about the new songs. Catch up on all the shows: https://bit.ly/2Yqig90 Subscribe at: https://bit.ly/2Yqig90 Like Extra Butter on Facebook:   / extrabuttertv   Find online: https://bit.ly/2utBNHX Interview arranged by Walt Disney Studios Motion Pictures