Know the true nature of sound/Enjoying sound is a human prerogative/Building a room to enjoy sound/What is noise/Preliminary knowledge to prevent sound/What happens when you think about soundproofing in earnest /Author: Yamakawa Masamitsu/Published by: Seibundo Shinkosha
Maintenance information: A [Condition is determined on a scale of 3 from A to C. (See below for details)]