Bassoon,Flute,Instrumental Duet - Level 4 - Digital Download SKU: A0.1114675 Composed by Johann Strauss. Arranged by Fabio Britto. 19th Century,Classical,Romantic Period,Wedding. 4 pages. Minhas Partituras #716539. Published by Minhas Partituras (A0.1114675). Arrangement of the song The Blue Danube (Waltz by Johann Strauss) for Flute & Bassoon Duo.