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. High frequencies, deep resonances and brutal basses, constructed with effect-filters and the use of samples.

3) LOCK is a HC/Punk band from Los Angeles USA. Share member with Condition, Blazing Eye, Stupid Life, etc. FFO YDI - SSD
http://lockhc.bandcamp.com

4) LOCK is a Dark Pop band from London comprising members Edie Langley, Gita Harcourt and Holly Madge. They are signed to Raygun Records. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.