Soundproofing Tips
https://www.storeboard.com/blogs/general/stc-soundproofing-using-rubber-soundproofing-noise-insulation-to-make-walls-quiet/967322
You have a rock band, and no location to practice. Well, you might exercise in your basement, garage, or bedroom however you reside in a condominium, or a removed house with neighbors crowding you on both sides.