Listen to Concerto for Piano and Orchestra: Molto moderato; Allegro assai online. Concerto for Piano and Orchestra: Molto moderato; Allegro assai is an Unknown language song and is sung by Garrick Ohlsson and Michael Tilson Thomas. Concerto for Piano and Orchestra: Molto moderato; Allegro assai, from the album Copland: The Modernist, was released in the year 1995. The duration of the song is 9:26. Download Unknown songs online from JioSaavn.