Ever wanted to play a tune, but not have an instrument?  This is the program for you.  It turns each of your keys (qwerty) and numbers into a musical note.  Each row is an octave, the Z row being the lowest and the Numbers row being the highest.  Holding shift makes your notes more sharp.  The instruments that it can play are in the hundreds from pianos, guitars, and violins to gunshots (ha), telephone rings, and bird tweets.  It’s actually pretty soothing, in my opinion, to leave running while typing (or playing) a paper that I have to get done.  You can get the download here, http://agdoa.net/.  All you have to do is unzip it and run the KeyBoredRunner.exe.  After that you’ll have to click ‘Start’ before you will hear anything.  Type away!  If you’d like to find some songs to play, or new keymaps click here, google has tons of material for you.