Listen to Elgar: Introduction and Allegro, Op. 47: Allegro II online. Elgar: Introduction and Allegro, Op. 47: Allegro II is an Unknown language song and is sung by London Philharmonic Orchestra and Vernon Handley. Elgar: Introduction and Allegro, Op. 47: Allegro II, from the album Elgar: Violin Concerto & Introduction and Allegro, was released in the year 2013. The duration of the song is 7:05. Download Unknown songs online from JioSaavn.