Audio Sampling The music is recognizably the same; the ensemble can be the same or different. Listen to Emerson, Lake, and Palmer's 1971 arrangement of Mussorgsky's "Pictures at an Exhibition." Compare it with the original piano version performed by Vladimir Ashkenazy. 7.2.5 Composition Composition means the act of creating a new musical work for acoustic, electronic, or sampled instruments. A thorough knowledge of the performance characteristics of each voice of the performance ensemble is an integral part of effective composition. 7.3 Composition and orchestration Eventually you must create a plan and a prescription for the composition to achieve a maximum of ingenuity with a minimum of resources. 7.3.1 The plan Composition is the organization of sound. The composer can start with a specific scene, musical form, event timeline, or other organizational plan for which a musical/sound design establishes the points of emphasis. The challenge is to select suitable musical relationships that support the demands of the plan and to reject those that are not appropriate. The choice to avoid one of the traditional forms can result in a soundscape or sonic environment (as opposed to "music"). The challenge here is to control elements of the environment that will attract attention that the composer does not want. Music and sound design share similarities in the way they evoke a human response to the organization of sound. (The composer Edgard Varese used the term organized sound to describe a viewpoint of his electronic music.) It is helpful to 174