Listen to Piano Sonata in G Major, Op. 37: II. Andante non troppo quasi moderato online. Piano Sonata in G Major, Op. 37: II. Andante non troppo quasi moderato is an Instrumental language song and is sung by Michael Ponti. Piano Sonata in G Major, Op. 37: II. Andante non troppo quasi moderato, from the album 111 Tchaikovsky Masterpieces, was released in the year 2012. The duration of the song is 8:59. Download Instrumental songs online from JioSaavn.