Mastering engineer at Optimal Media Production, later renamed to Optimal Media GmbH. Note: The company does not release the full name of the engineer. Other mastering engineers employed there, are HL (2), KL (5), KR (3), MK (11) and TW (5). When submitting credits & companies to a release that carry BK on the vonyl run outs, please: Add a credit: Lacquer Cut By - BK (14) Add a company: Lacquer Cut At - Optimal Media Production (only valid for releases until October 1, 2011) Add a company: Pressed By - Optimal Media Production (only valid for releases until October 1, 2011) Add a company: Lacquer Cut At - Optimal Media GmbH (only valid for releases after October 1, 2011) Add a company: Pressed By - Optimal Media GmbH (only valid for releases after October 1, 2011)