You can delete all of your data via deleting BANDZONE account.
You can change individual data in your account and in your band member profile of every band you are a member of.
The only thing required for you to be able to login to BANDZONE is a syntactically correct email address, that has to be verified during registration.
All additional data is not needed for BANDZONE functionality and may only be used within the band for sharing information.
If you need help changing or deleting your data, feel free to contact us at support@band.zone.