Listen to Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato online. Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato is an English language song and is sung by Sergei Rachmaninoff, Eugene Ormandy, Leopold Stokowski and The Philadelphia Orchestra. Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato, from the album 20 Must-Have Classical Hits, was released in the year 2012. The duration of the song is 9:48. Download English songs online from JioSaavn.