Here are recordings of some pieces that hopefully convey some impression of the music. The link in the describing text points to the sheet music, while the sound file lurks under the loudspeaker icon. Many more recordings can be found here:
All of the sound files listed below are in the OGG-Vorbis format. If you do not hear anything, when clicking on the loudspeaker icon, please read the corresoponding F.A.Q. Nr. 8 how to play OGG-Vorbis files.