Béla Bartók's series of piano pieces For Children, based on folk melodies, was written around the end of the first decade of the 20th century. The pieces were published shortly afterwards by the Hungarian publisher Károly Rozsnyai. That first publication was in four volumes, the first two containing a total of 42 pieces based on Hungarian folk tunes, the third and fourth containing 43 pieces based on Slovakian folk tunes.In 1943, whilst in the United States, Bartók prepared a revised version of ...