 A natural part of the process of transferring the traditional folk form to a formal classical milieu was the appropriation of the Dumka form by Slavic composers, most especially by Antonín Dvořák.Thus, in classical music, it came to mean "a type of instrumental music involving sudden changes from melancholy to exuberance".Though generally characterized by a gently plodding, dreamy duple rhythm, many examples are in triple meter, including the popular Op.