Instrumental Duet Instrumental Duet,Piano - Level 3 - Digital Download SKU: A0.886883 Composed by George Frideric Handel. Arranged by Justin M. Ryan. Baroque,Contemporary. Score and parts. 6 pages. Justin M. Ryan #3009935. Published by Justin M. Ryan (A0.886883). The Water Music is a collection of orchestral movements, often published as three suites, composed by George Frederick Handel. It premiered on 17 July 1717, in response to King George I's request for a concert on the River Thames. Now in the 21st century, this piece comes alive once again. Arranged for 2 pianos, each piano is playing the same piece in 2 different keys simultaneously(D Major and G Major). Enjoy this wonderful classic.