Need help cancelling FYE backstage pass?

I signed up for the FYE backstage pass two months ago, and have since thrown away any information related to the membership card. So now I don’t have my membership number. I’ve been seeing that people are having a hard enough time cancelling their accounts even with their membership numbers- should I take this... show more I signed up for the FYE backstage pass two months ago, and have since thrown away any information related to the membership card. So now I don’t have my membership number. I’ve been seeing that people are having a hard enough time cancelling their accounts even with their membership numbers- should I take this directly to my bank and say that there are fraudulent charges on my debit card or should I still try dealing with FYE first? I don’t want to keep being charged $11.99 every month.
0