You can sign in to TouchTunes Connect using the same credentials you use to log in to the TouchTunes app.

When visiting connect.touchtunes.com, you'll be prompted to "Sign in to access your location". After tapping this, tap the option to log in with your existing account that uses:

• Google^©
• Facebook^©
• Apple ID^© 
• Your email and password

If you aren't sure how your account was created or with which email address, check your email for any TouchTunes credit purchase receipts - these will always be sent to the address associated with your account!