Garden Soundproofing

http://lorenzoloka091.unblog.fr/2019/08/05/soundproofing-foam-is-it-the-answer-to-your-sound-problems/

You have a rock band, and also no area to practice. Well, you might exercise in your cellar, garage, or bedroom yet you reside in a condominium, or a separated home with next-door neighbors crowding you on both