Easy Piano - Level 1 - Digital Download SKU: A0.1006327 By Henry Mancini. By Henry Mancini. Arranged by Gandhi Martinez. Oldies. Score. 4 pages. Gandhi Martinez #6439285. Published by Gandhi Martinez (A0.1006327). Easy and beautiful arrangement of Moon River for piano beginners.The arrangement was conceived in order to promote the reading of the work in two levels of difficulty. At the first level, the pianist play an simple accompaniment and the melody with two notes. On the second level, the pianist will be able to play the melody in chord-melody style along with a more complex accompaniment. It's not too hard to play, and it sounds fantastic!