Listen to Mozart: Sonata for Piano and Violin in E flat, K.481 - 3b. Variation 1 online. Mozart: Sonata for Piano and Violin in E flat, K.481 - 3b. Variation 1 is an Unknown language song and is sung by Arthur Grumiaux and Walter Klien. Mozart: Sonata for Piano and Violin in E flat, K.481 - 3b. Variation 1, from the album In the Mood for Mozart, was released in the year 2021. The duration of the song is 1:02. Download Unknown songs online from JioSaavn.