Alternative Energy (composition)

Alternative Energy is a symphony for electronica and orchestra in four movements by the American composer Mason Bates. The work was commissioned by the Chicago Symphony Orchestra, for whom Bates was then composer-in-residence. It was premiered by the orchestra under conductor Riccardo Muti at Symphony Center in Chicago, February 2, 2012.

Similar to Bates's first symphony Liquid Interface, Alternative Energy chronicles environmental devastation of the Earth over a large timespan. Bates described the meaning of the work in the score program notes, writing:

Alternative Energy is an 'energy symphony' spanning four movements and hundreds of years. Beginning in a rustic Midwestern junkyard in the late 19th Century, the piece travels through ever greater and more powerful forces of energy — a present-day particle collider, a futuristic Chinese nuclear plant — until it reaches a future Icelandic rainforest, where humanity’s last inhabitants seek a return to a simpler way of life.

The symphony has a duration of roughly 25 minutes and is composed in four movements:

Alternative Energy is scored for electronica and orchestra, comprising three flutes (2nd doubling alto flute, all doubling piccolo), three oboes (3rd doubling English horn), three clarinets (2nd doubling E-flat clarinet), three bassoons (3rd doubling contrabassoon), four French horns, three trumpets, two trombones, bass trombone, tuba, three percussionists, harp, piano, and strings.

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