
Without money and installing softwares you can make music at the website "Hobnox Audiotool" right now! ...If you know how to use instruments... Otherwise you'll click everywhere in a mess like me ;)
Hobnox - Audiotool
http://www.hobnox.com/index.1056.en.html
Click the link, then you'll see the above photo after a moment.
And double-click one of four buttons (I chose Electro) and wait a second.
After that? Watch this tutorial video and play it!
Have fun!
Link
What's Hobnox?
http://www.hobnox.com/about-hobnox.1062.en.html





