These files come from these URLs (though sometimes scavenged from the Internet Archive): http://www.watch.impress.co.jp/av/docs/20030521/sample.vg2 http://www.watch.impress.co.jp/av/docs/20030521/xvd1500k.vg2 http://updater.bha.co.jp/VideoSamples/lamborghini_850kbps.vg2 http://www.ila-ila.com/xvd-hist/sites/lab1454/eng/products/cruise48.vgm http://www.ila-ila.com/xvd-hist/ http://www.bha.co.jp/en/download/xvd_editor/player.html http://bugzilla.mplayerhq.hu/show_bug.cgi?id=266 Relevant codecs were available here (can now be found at the Internet Archive): http://www.neuro-tech.net/files/vgm2_codec/