Idina Menzel
joined
Jimmy Fallon
and his house band
The Roots
for a version of her hit single "Let It Go" from Disney's
Frozen
.
Playing the tune on school instruments with a beat provided by an old Casio-style keyboard, the group grooved during a taped segment that aired on Monday night's episode of
The Tonight Show
.
"Let It Go" won the award for Best Song during Sunday night's Oscars, where Menzel gave a rousing performance of the hit after
John Travolta introduced her as "Adele Dazeem.
"