"Supercalifragilisticexpialidocious" is a song from the musical film "Mary Poppins," composed by Richard M. Sherman and Robert B. Sherman. This version is performed in 2014 by Mirusia Louwerse and André Rieu in a live performance of the song. An amazing show to watch!
André Rieu is a Dutch violinist and conductor known for his work with the Johann Strauss Orchestra. Mirusia Louwerse is an Australian soprano singer who has collaborated with André Rieu and his orchestra on various occasions.