Ellamae Papa
Ellamae Papa voted up lucille brown's answer

Do you still remember the pattern of your password? If yes, then it's highly possible to recover the password. Here is a password recovery tool that offers 4 different modes to help you get back your password.

Tutorial: Restore iTunes Backup Password

Ellamae Papa
Ellamae Papa voted up Corey Hawkins' answer

Typically, every website offers a "reset password" or a "forgot password" option in cases just like this. I know I've had to use that option more times than I care to admit. Click on that link and follow the directions. That should get you back up and running. Good luck!