Listen to Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice online. Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice is an Instrumental language song and is sung by Sviatoslav Richter, Yevgeny Mravinsky and Leningrad Philharmonic Symphony Orchestra. Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice, from the album Tchaikovsky: Concerto No. 1 - Rachmaninoff: Concerto No. 2, was released in the year 1994. The duration of the song is 6:22. Download Instrumental songs online from JioSaavn.