Let It Go

The moment a Disney ballad became a power anthem and then a global weather system. "Let It Go" opens in near-whisper over sparse piano — Elsa alone on a mountain, the wind rendered in icy synth pads — before Robert and Kristen Anderson-Lopez's structure escalates through key changes into full orchestral and choral release, each verse widening as the character's magic does. Idina Menzel's voice is the engine: Broadway-trained, brassy in the belt, with a distinctive slight rasp at the top of her range that keeps the big notes from sounding polished rather than felt. The lyric is a self-liberation text disguised as a children's song — concealment, the pressure of being the good girl, and the exhilarating, slightly reckless decision to stop performing for anyone. Its ambiguity is why adults claimed it: it reads as coming out, as leaving a marriage, as quitting a job, as any moment of dropping a mask. Frozen's success made it ubiquitous to the point of parental exhaustion in 2014, sung by four-year-olds in supermarket aisles worldwide. Best encountered alone in a car at night when you actually need to shout something, or on a stage in a living room with a blanket for a cape, the ending held longer than anyone's breath should allow.