Clarinet Solo - Level 4 - Digital Download SKU: A0.688189 By Henry Mancini. By Henry Mancini. Arranged by Fabio Britto. 20th Century,Pop,Wedding. Individual part. 1 pages. Minhas Partituras #6601925. Published by Minhas Partituras (A0.688189). Arrangement of the song Moon River (Andy, Williams, Henry Mancini) for Clarinet in Bb Solo with Chords.