String Quartet Cello,String Quartet,Viola,Violin - Level 3 - Digital Download SKU: A0.771091 By Henry Mancini. By Henry Mancini. Arranged by Stuart McSweeney. Jazz. Score and parts. 7 pages. Stuart McSweeney #3453029. Published by Stuart McSweeney (A0.771091). String Quartet arrangement of Moon River in the key of D major. .