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 English language song and is sung by Julius Katchen. Piano Concerto No. 1 in B Flat Minor, Op. 23: II. Andantino semplice, from the album Tchaikovsky: Piano Concerto No. 1 in B Flat Minor, Op. 23, was released in the year 2009. The duration of the song is 6:49. Download English songs online from JioSaavn.