impromptu

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An impromptu [ ɛ̃prɔ̃'ty: ] ( French impromptu , surprising ) is a smaller piece of music in instrumental music ; mainly piano music.

The impromptu is regularly tied to a fixed musical structure that is reminiscent of the rondo or the baroque da capo aria : the first theme is followed by a middle section, after which the first theme is repeated unchanged (a – b – a = the three-part song form ).

The composers who have studied this form of music and have written famous impromptus include: a. Robert Schumann , Alexander Scriabin , Frédéric Chopin and Franz Schubert . The eight impromptus (two cycles, D 899 (op. 90) and D 935 (op. 142), each with four pieces) by Franz Schubert are known. Impromptus composers for guitar are Richard Rodney Bennett and Bruno Szordikowski (* 1944).

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