Google also offers an MP3 search function
I first learned of it on googletutor.com, then on http://swen.antville.org/stories/869232
Go on print this to annoy them even more!! aar!!
Make a new bookmark in firefox and paste below 'into location'
Good idea to install ‘Google preview’ for firebadger, makes the bookmark work even better

javascript:Qr=document.getSelection();if(!Qr){void(Qr=prompt('you are looking for...',''))};if(Qr)location.href='http://www.google.com/search?hl=en&lr=&safe=off&c2coff=1&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&q=%22intitle%3Aindex.of%22+%28mp3+OR+wma+OR+ogg%29+'+escape(Qr)+'&btnG=Search'