Devil Summoner Soundtrack from 2006's promotional release with the game in Japan only.

More details here.  

Catalogue #: ATS-00002, Composers: Toshiko Tasaki, Shoji Meguro, and Tsukasa Masuko.
 
Disc 1 [SLPM-66246] 
01
Devil Summoner: Raidou Kuzunoha vs. The Soulless Army Theme
1:31 
02
Kuzunoha Detective Agency
3:40 
03
Boss Battle
2:26 
04
Yarai Ginza DE Pon
2:44 
05
Devil Summoner: Soul Hackers Theme
1:46 
06
Battle -Naomi-
2:16 
07
Hyperspace Inspired from ALGON
2:40 
08
Battle -Raidou-
2:32 
09
Tsukudo-Cho
2:36 
10
Murmur
2:45 
Disc length 24:56