I LIVE IN A TOWN HOME AND SHARE MY BEDROOM WALL WITH ANOTHER BEDROOM WALL. WHEN MY NEIGHBOR PLAYS HER STERO OR MUSIC IT COME THROUGH MY WALL AND I CAN EVEN HEAR IT IN THE LIVING ROOM. I NEED TO KNOW WHAT I CAN USE ON JUST ONE WALL TO SOUND PROOF THIS WALL. DO I USE CORK, OR IS THERE SOME TYPE OF PAINT THAT I CAN PUT ON THE WALL TO SOUND PROOF IT. PLEASE I NEED HELP, BECAUSE THE NEXT STOP TO CALL THE POLICE TO HAVE THEM TURN THEIR STERO DOWN. THANKS CAROL