String Trio Viola - Level 4 - Digital Download SKU: A0.1113631 Composed by Johann Strauss. Arranged by Fabio Britto. 19th Century,Classical,Romantic Period,Wedding. 7 pages. Minhas Partituras #715520. Published by Minhas Partituras (A0.1113631). Arrangement of the song The Blue Danube (Waltz by Johann Strauss) for Viola Trio.