Песня Отпусти и забудь - Холодное сердце - Ну-ка Дети
You can find the full lyrics for the Russian version of "Let It Go" (Otpusti i Zabud) from Disney’s Frozen, along with options to listen to or download the track, at the following resources: Genius for the full lyrics NukaDeti for song lyrics and audio Wikipedia for background information