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Read on to discover more about microtones, intervals smaller than a semitone….<\/strong><\/p> Microtones. Even the word conjures up visions of forbidding experimentalism: the generic term for any note that falls in between the gaps of the semitones (half steps) of the keyboard<\/a><\/strong>, the smallest interval in Western-inspired music, the distance between the black and whites notes of\u00a0the piano.<\/p> But composers began dreaming of escaping the constraints of semitones over a century ago: among them, the Italian visionary \u2013 and one of this year\u2019s centenary celebrants \u2013 Ferruccio Busoni<\/a><\/strong>, who imagined a music made of splitting tones into third-tones, an innovation only electronic music<\/a><\/strong> in the later 20th century would fully realise.<\/p> What are microtones?<\/h2>