July 25, 2007, according to the official site. Quite a late release date, I have to say.

「 エル・カザド 」 オリジナルサウンドトラック１
El Cazador Original Soundtrack 1
 

Yuki Kajiura
2007.07.25 : VICL-62375
  01.
02.
03.
04.
05.
06.
07.
08.
09. 		(4:26) Maxwell’s witch
(3:59) desert sunset
(3:45) the ballad of a bounty hunter
(2:42) sad yearning
(2:42) Nadie
(4:30) inca rose
(2:50) corrupt arena
(0:58) a bounty hunter’s murmur
(1:49) sight your gun 		10.
11.
12.
13.
14.
15.
16.
17. 		(1:59) murderous intent
(3:43) hit it and run!
(4:50) el cazador (YUUKA)
(2:04) just a small fry
(1:33) hotel del sol
(2:05) ennui
(1:32) an ominous presentiment
(5:03) forest (Emily Bindiger)