Shoji Meguro (Disc 1: 1~12, 15~17, 20~24, 26)
                    (Disc 2: 1~3, 6, 8~14, 16~23)

Kenichi Tsuchiya (Disc 1: 14, 18, 25)
                         (Disc 2: 5, 7, 15)

Toshiko Tasaki (Disc 1: 13, 19)
                      (Disc 2: 4)



The following tracks are rearrangements from previous SMT games:

Ginza (1.17)
"Arcade" (also called Arcade Street / Shopping Arcade) from Shin Megami Tensei. Composed by Tsukasa Masuko.

Common Battle ~Amala Network~ (1.18)
"Old Enemy" from Shin Megami Tensei if.... Composed by Kenichi Tsuchiya.

Puzzle Boy (2.05)
"Kichijoji" (also called Lucky Temple) from Shin Megami Tensei. Composed by Tsukasa Masuko.

Mansion of Heresy ~Gleaming Sky~ (2.07)
"Jakyou no Yakata" from Shin Megami Tensei II. Composed by Tsukasa Masuko.

Game Over (2.15)
"Game Over" from Shin Megami Tensei II. Composed by Tsukasa Masuko.

Additionally, Nocturne contains a rearranged version of Terminal (not present on the Soundtrack) from SMT2.

2 extra tracks and 3 wallpapers are available by inserting either disc of the OST into a computer and visiting http://www.sonymusic.co.jp/Animation/gamemusic/SHIN3/check.html
The tracks are Shinjuku Hospital After Conception (新宿衛生病院) and Amala Temple (アマラ神殿), both composed by Shoji Meguro.