Wikipedia:Sound Pressure Level

Sound Pressure Level the first album by the noise group MAZK. It comes in a clear jewel case with no artwork, beneath the CD is a paper insert in the same shape. The artist and title are written as "MAZK SPL" on the disc and "Masami Akita & Zbigniew Karkowski – Sound Pressure Level" on the insert.

Personnel

 * Masami Akita – performer
 * Zbigniew Karkowski – performer
 * Michinao Onishi – recording engineer
 * Denis Blackham at Country Masters – mastering