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 Unknown language song and is sung by Boris Giltburg, Royal Scottish National Orchestra, Carlos Miguel Prieto and Sergei Rachmaninoff. Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato, from the album Русские классические шедевры, was released in the year 2024. The duration of the song is 11:24. Download Unknown songs online from JioSaavn.