(1) KOIL formed in 1993, consisted of Otong (Vocal), Doni (Guitar), Imo (Bass), and Leon (Drum).

On 1994 KOIL recorded at least 8 song and release single titled "Demo From Nowhere".
The single limited distribution due to fund problem and can only be found in Reverse Outfits, a shop own by Richard Mutter (Pas Band ex drummer)

Atm, KOIL just release their latest album and performing "KOIL BLACKLIGHTSHINESON TOUR 2008" 2008.

Free tracks "BLACKLIGHTSHINESON" Koil’s New Album can be downloaded here: http://deathrockstar.info/koilblacklight/


(2) Koil - Trondheim, Norway.

Koil is also a Norwegian rock band formed in 2004, consisting of Øystein Slettahjell (Vocal), Torbjørn Aune(Guitar), Olav S. Flaa (Bass), and Inge Hanshus(Drums).
Free tracks can be downloaded here: koil.no
Or listen to their music here: http://www.myspace.com/koilweb

(3) Koil - Kristiansand, Norway.
A "power trio" playing riff-based rock music, formed 2014. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.