I went to Freesound.org and downloaded some of other people's works and created this song. Unfortunately, I can't keep track of all the people who contributed to this song since I have over 200 sound loops. Anyway, to them, thank you!
Ardour, Audacity are used in this song. The song is stored at SoundCloud.
Note: If the above player doesn't work, just click on this link: http://soundcloud.com/sc_2009/creative-commons-1