Listen to Piano Concerto in C-Sharp Minor, FP 146: I. Allegretto online. Piano Concerto in C-Sharp Minor, FP 146: I. Allegretto is an Instrumental language song and is sung by Jean-Bernard Pommier, City Of London Sinfonia and Richard Hickox. Piano Concerto in C-Sharp Minor, FP 146: I. Allegretto, from the album The Very Best of Poulenc, was released in the year 2008. The duration of the song is 3:50. Download Instrumental songs online from JioSaavn.