When you go to https://homeschool.bandsintown.com/ and click on the Log in link in the top right corner, it opens up a dialogue box that lets you enter your account information: if this dialogue box is titled Create Account, please look at the bottom where it says "Already have an account?" and be sure to click on the Log in link. You can now enter your email and password.
If your password does not work, go to the Log in dialogue as described above, then click on the link I forgot my password, and type in the email address you registered with. You will receive instructions to reset your password.