It was a myth growing up. Blood attracts sharks, but piss will keep them away.

So don’t try this at home… primarily because you probably don’t have shark at home.

Keeps the sharks away. Not sure about the moose, though.

“Subscribe”

I think it’s more than artists you star. Mine started notifying me about new releases of artists within my local library.

I use Songkick for shows and Apple Music does notify me of artists’ new releases under Home > Account (user image on top-right) > Notifications.

Sounds like you are just focusing on it. If it becomes worse, you should go to an Ear, Nose, Throat (ENT) specialist and get a hearing test.

Tinnitus is frequently a symptom of hearing loss.

The earlier you detect it and mitigate it, the better the outcomes.