Your MELODY SAUCE 2 serial number is sent to you in an email from SEALBUCKET (firstname.lastname@example.org).
For customers of the original MELODY SAUCE 1 who are UPGRADING, you would have received your original serial number via email from KEYZY (email@example.com).
Please check your junk folder for these.
If you haven't received your serial please open a support ticket and we'll send you it.
You can also view your serial in your Evabeat account https://accounts.evabeat.com if you have purchased from our site.