It feels nice to know that nothing is set in stone. Because you can simply back out and start again. Unless, of course, you accidentally hit the following sequence of keys on your computer:

Believe me, it could happen. And, personally, this pattern of computer keyboard commands is one of my worst fears. (Oh, the humanity!)

On the other hand, piano keyboard patterns never stress me out. Music is way more forgiving than computers. So go ahead and get crazy. Computers might still be scary … but musical instruments always play nice.