Listen to Piano Concerto No.23 in a Major – I. Allegro online. Piano Concerto No.23 in a Major – I. Allegro is an Instrumental language song and is sung by Lorne Balfe, Steve Kofsky and Russell Emanuel. Piano Concerto No.23 in a Major – I. Allegro, from the album Ulitmate Classix: The Hits 2, was released in the year 2018. The duration of the song is 4:12. Download Instrumental songs online from JioSaavn.