Listen to Piano Sonata No. 21 in C Major Op. 53, "Waldstein": II. Adagio cantabile online. Piano Sonata No. 21 in C Major Op. 53, "Waldstein": II. Adagio cantabile is an English language song and is sung by Dubravka Tomšič-Srebotnjak. Piano Sonata No. 21 in C Major Op. 53, "Waldstein": II. Adagio cantabile, from the album Beethoven: Famous Piano Sonatas, was released in the year 2015. The duration of the song is 5:38. Download English songs online from JioSaavn.