Chamber Orchestra - Level 4 - Digital Download SKU: A0.1186392 By Andy Williams. By Henry Mancini and Johnny Mercer. Arranged by Bernard Kane. Broadway,Film/TV,Musical/Show. Score and parts. 17 pages. Bernard Kane Jr Music #786050. Published by Bernard Kane Jr Music (A0.1186392). Arranged for soprano and small orchestra, Moon River was originally sung by Audrey Hepburn in the Paramount film Breakfast at Tiffany's: it won the Academy Award for Best Original Song in 1961.