The Mazurka is a Polish Dance basically in 3/4 time. The well known Polish composer Chopin, wrote quite a few and you can listen to/download some midi files here : http://www.geocities.com/Vienna/4279/MIDI.html

If you don't fancy playing them, just load them into your keyboard..............
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Willum

After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley
( especially when the music is played on a KN7000....)