Select the file for your voice type and click on the link. In many of the files you will hear the accompaniment and your voice part will be highlighted using a different instrument.
Remember that some songs like Bugeilio'r Gwenith Gwyn do have breaks so don't worry if everything goes quiet!
15th January, 2010. Added all parts to 'Go The Distance'
If you are unable to hear the music you might need to download and install a player so click on the blue link to download the free Quick Time Player