Flute,Piano - Level 3 - Digital Download SKU: A0.528931 Composed by Richard M. Sherman and Robert B. Sherman. Arranged by Diego Marani. Broadway,Contemporary,Film/TV,Musical/Show. Score and part. 7 pages. Diego Marani #6672585. Published by Diego Marani (A0.528931). Supercalifragilisticexpialidocious is a song and single from the 1964 Disney musical film Mary Poppins. It was written by the Sherman Brothers, and sung by Julie Andrews and Dick Van Dyke.This arrangement for flute with piano accompaniment is suitable for classroom, repertoire and for a very funny encore.