Idina Menzel serves as the voice and singer of the character Elsa in the film.

"Let It Go" is a song from Disney Animation Studio's 2013 animated film Frozen. It was composed and written by Robert Lopez and Kristen Anderson-Lopez. The song is voiced and sung by American actress and singer Idina Menzel, the character in the film, Elsa. This song was sung after Queen Elsa left her kingdom and began to create her new kingdom alone in the world of ice and snow. The song also expresses Queen Elsa's understanding that she no longer needs to hide her abilities and can begin to freely use them again.