Listen to Supercalifragilisticexpialidocious (From "Mary Poppins") online. Supercalifragilisticexpialidocious (From "Mary Poppins") is an Unknown language song and is sung by The Magic Kingdom Orchestra. Supercalifragilisticexpialidocious (From "Mary Poppins"), from the album My Disney Favorites (22 Gold Anthems), was released in the year 2022. The duration of the song is 2:23. Download Unknown songs online from JioSaavn.