Piano reduction

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A piano reduction is sheet music for the piano (a piano score) that was once music for other instruments that was reduced to its most basic components within a two line staff for piano. It is also considered a style of orchestration or music arrangement less well known as, contraction scoring a subset of elastic scoring.

Contraction scoring music into a piano reduction is a process that lets composers and arrangers reduce the original work from a larger score to a smaller score. An example of this is when an orchestral work is reduced to piano form. This is commonly known as a 'piano reduction'.