The iTunes Store appears to be broken
The iTunes Store appears to be broken for those without an Apple Music subscription.
In another thread there's the answer to search like this:
I don't have those three options in the top right. I only have search on the left. Whilst I can still click on iTunes in the left menu, I just get to the front page of the iTunes Store and have no means to search it.
iMac 27″, macOS 12.3