Listen to Theme From Tchaikovsky's Piano Concerto No. 1 In B-flat online. Theme From Tchaikovsky's Piano Concerto No. 1 In B-flat is an English language song and is sung by Caterina Valente. Theme From Tchaikovsky's Piano Concerto No. 1 In B-flat, from the album Best Of Mix, was released in the year 2016. The duration of the song is 3:12. Download English songs online from JioSaavn.