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Cytat:Fryderyk Chopin was closely associated with the Pleyel firm, and owned a Pleyel grand made in 1839. Prior to 1854, it is known that Pleyel's pianos were made to 446; Chopin died in 1849. His pieces, written in the 20s, 30s, and 40s, were thus probably pitched a little above 440.Bruce Haynes - History of Performing Pitch: The Story of "A" (2002), s. 347 (Amazon)