Let It Go (for Flute Choir) for Flute Choir: Full Set of Piccolo,5 Flutes,Alto (with alt. C Flute part),Bass (with alt. Alto part) written by Idina Menzel. The format of this sheet music is Score,Set of Parts and it’s published by JMS Composer. Let It Go (for Flute Choir) is part of the following sheet music categories: Movies.