Stephen O'Malley: strings, fx, amps
Peter Rehberg: oscs, apps, drives

KTL is a duo made up of Stephen O'Malley (Sunn O))), Khanate) and Editions Mego head Peter Rehberg (Pita).

KTL formed from the duo composing sound and music for performance artist Gisèle Vienne and author Dennis Cooper's theatre production Kindertotenlieder. According to its creators KTL is "Threatening new collaboration taking in parallel worlds of Extreme Computer Music and Black Metal".

Their debut album was recorded during July 2006 in Grenoble, France at Fort du Murier and Vienne Wintergarden.

The bands discography as of March 2008 is as follows:
* KTL (CD/2XLP) (Editions Mego/Aurora Borealis)
* KTL 2 (CD/2XLP) (Editions Mego/Thrill Jockey)
* KTL 3 LP (or)
* Eine eiserne Faust in einem Samthandschuh CD (Editions Mego) - limited to 300 copies
* The Phantom Carriage: KTL Edition DVD (Tartan) - a remake of the silent film dubbed with KTL in the background
* Live In Krems LP (Editions Mego) - limited to 500 copies
* IKKI CD (Editions Mego) - limited to 200 copies