French Horn,Piano - Level 3 - Digital Download SKU: A0.528937 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 #6673869. Published by Diego Marani (A0.528937). 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 F Horn with piano accompaniment is suitable for classroom, repertoire and for a very funny encore.