Are you looking for a song but only know some of the notes to it and the title simply escapes you? Then you might want to check out Midomi.com Just sing, hum, or whistle into your computer’s microphone Midomi will find your music for you. It’s not perfect, but is a cool way to find that song you don’t know the title of. You will have to give permission for the site to use your microphones! It is the coolest Web 2.0 tool I have seen in a while!