Soundproofing Materials

https://elliottvxzj603.wordpress.com/2019/08/05/soundproofing-foam-is-it-the-response-to-your-sound-issues/

You have a rock band, as well as no area to exercise. Well, you could exercise in your basement, garage, or room but you live in a condo, or a detached home with neighbors crowding you on both sides. What noise