I try to make chiptune, it's not that good

First chiptune sound

I gave myself 10 minutes to discover a tool and make a chiptune music. Here's what happened.

WARNING

Warning : This is really bad

Behold a lifetime work

Second chiptune sound

With a little more time I did that, and it's better although it doesn't seem totally finished.

Here's where the magic is made (it's ok you can edit as much as you want)