http://seawitchery.tumblr.com/post/4070384205: This is a link to a fun little game. When you scroll down, you'll see a huge... thing. Click all or some of the blocks to make a pretty retro song!
http://www.playauditorium.com/: This is Auditorium. Auditorium is a game where you drag buttons to move a music flow in the right direction. Sounds hard? Well, it won't be too hard once you get the use of it.
Now, click the links and have fun!