31. However, while Chopin changed some aspects of the original mazurka , he maintained others. 32. At their parties the polonaise, mazurka , and oberek were the most popular dances. 33. Wasowski's recordings show a novel approach to rhythm, especially in the mazurkas . 34. "Mazurka in A minor " is the opening piece of the set. 35. The Mazurka then finishes with a slower section and the main theme repeated once more. 36. The opening theme, in F major, is in the rhythm of a mazurka . 37. It is in a romantic language and includes polkas, mazurkas , waltzes and marches. 38. But he also occasionally abstracts a folk-dance gesture or slips in a mazurka step. 39. Mazurkas : a Polish-bred dance not unlike the polka; the music for that dance40. Scriabin's Eight Mazurkas were all business : intelligently organized and realized with blunt virtuosity.