You may recall when storage of keyboards became an issue and floor-to-ceiling shelves were the solution. It's a bit more of a struggle with larger items such as guitars and cases. What you see is by no means all of them. Like peanuts at a party, they are.
Powder room attendees are surprised and amused to find an electric guitar on a stand in the bathroom that doubles as a toilet paper holder.
I just have to make sure I don't electrocute myself getting in and out of the tub.