What are some cheap options for soundproofing a wall (can't be permanent as it's in a rental) that can also be styled to blend in with decor?
Soundproofing Foam Panels - https://goo.gl/zLww79
Please read on my blog: http://chenkinworkshop.blogspot.com/2018/02/what-are-some-cheap-options-for.html
Have you ever tried using egg cartons? but you have to eat a lot of eggs...