Looks like they'll sing "Let it go" twice this year.
During the Kōhaku 2014, May J. has sung "ありのままで/Arino mamade" (japanese version of "Let it go"). Idina Menzel also appeared in the broadcast but was not here physically.
May J.'s Arino mamadeIdina Menzel's Let it goYou're right.
Ah.Is that a text?