Idina Menzel, Jimmy Fallon and The Roots Sing "Let It Go" With Classroom Instruments—Watch Now!

Frozen star sings her Oscar-winning smash after John Travolta called her Adele Dazeem

By Zach Johnson Mar 04, 2014 12:14 PMTags

Idina Menzel performed Frozen's Oscar-winning smash "Let It Go" on Monday's Tonight Show, with a little help from Jimmy Fallon and The Roots. They covered the song using "classroom instruments."

The 42-year-old theater star visited the late-night show in New York City directly after arriving home from her trip to L.A. for the Oscars, where she performed the song for the first time ever on live TV.

Fallon sat beside Menzel, tapping a trio of alphabet blocks. The Roots backed the stars up with a variety of instruments, including the xylophone, kazoo, tambourine, ukulele and keyboard harmonica. 

The host previously hosted similar jam sessions with Mariah Carey, covering the modern holiday classic "All I Want for Christmas Is You," and Robin Thicke, covering his No. 1 smash "Blurred Lines."

During his opening monologue, Fallon poked fun at John Travolta butchering Menzel's name at the Academy Awards. "He could tell as he was saying it, 'This is not going to come out right at all—I'm gonna say sounds,'" he joked.  "When Idina Menzel heard that, she was like, 'Let it go. Let it go. Let it go.'"

Travolta accidentally called Menzel "Adele Dazeem" when he introduced her performance Sunday; a source later told E! News that the actor pronounced her name correctly during rehearsals: "He knew how to say her name. No one knows what happened. Maybe nerves just got the best of him."

Menzel's attention is now on her Broadway musical, If/Then, which begins performances this week.