During the work day on Dust Camp, this type of music was played on the inmate's helmet radios. After a while inmates do not really hear it and only noticed when it is turned off. It is designed to keep aggression and stress down. Benjamin "knew it somehow messed with the mind and made it as dull as the dusty landscape. " He is correct in that alpha wave (7 - 12 Hz) music may invoke a state of tranquility.