All of the links only link to Opus 40. Please fix them!
Thank you for reporting this! This is indeed strange, since all links are clearly different (look at the part that changes before the discount). I will see what I can do, stay tuned!
Ok, it seems the links are truly broken beyond my understanding.
I have contacted Gumroad but I don't want you to wait for them.
The public post is now updated with working links to the products (I've tested them, they should work now, please let me know if they don't). Problem is: now the links are not discounted and you need to add the code "HappyBirthdayBreval" manually.
I'm sorry for the inconvenience. I will now send a new email with the correct links, since I cannot correct sent email.
Thank you for letting me know about the problem!