Listen to Mary Poppins: Supercalifragilisticexpialidocius online. Mary Poppins: Supercalifragilisticexpialidocius is an English language song and is sung by Cedar Lane Soundtrack Orchestra. Mary Poppins: Supercalifragilisticexpialidocius, from the album Family Movie Favorites, was released in the year 2010. The duration of the song is 2:20. Download English songs online from JioSaavn.