There are multiple artists with this name: 1) Lock is a collaboration between Anthony Whittaker, Chris Thomas, and 'Locke', releasing a 12" titled "Out Of The Fire" in 1997. The b-side of that release, "Into The Sun" appears on DJ Tiësto's Magik 1 compilation. 2) LOCK aka Claus John and Patrick Germann from Bern have completely own making noise.
LOCK sounds as dancable Industrial-Noise should sound.

Read more about Lock on Last.fm.