sentences:  72 (also composed originally for piano four hands), which came along eight years later, includes forms native to such other Slavic lands as Serbia, Poland and Ukraine, although some "merge characteristics of more than one dance".Dvořák did not use actual folk tunes in his dances, but created his own themes in the authentic style of traditional folk music, using only rhythms of original folk dances.A work that does not fit into any of the above categories is the "Symphonic Variations" of 1877.