Listen to Mozart: Cassation in B flat, K.99 - 6. Menuet online. Mozart: Cassation in B flat, K.99 - 6. Menuet is an Unknown language song and is sung by Academy Of St. Martin In The Fields and Sir Neville Marriner. Mozart: Cassation in B flat, K.99 - 6. Menuet, from the album Music for Walking: Mozart, was released in the year 2021. The duration of the song is 2:05. Download Unknown songs online from JioSaavn.