Listen to Piano Sonata No. 4 in E-Flat Major, Op. 7: IV. Rondo: Poco allegretto e grazioso online. Piano Sonata No. 4 in E-Flat Major, Op. 7: IV. Rondo: Poco allegretto e grazioso is an English language song and is sung by Gerard Willems. Piano Sonata No. 4 in E-Flat Major, Op. 7: IV. Rondo: Poco allegretto e grazioso, from the album Music for the Mind: Classical Music for Your Well-Being, was released in the year 2012. The duration of the song is 7:02. Download English songs online from JioSaavn.