梶浦由記が音楽を手がける、TVアニメ「ロード・エルメロイII世の事件簿 -魔眼蒐集列車 Grace note-」のサウンドトラック。
ジャケットはキャラクターデザイン 中井 準 描き下ろし。
オープニングテーマ「starting the case： Rail Zeppelin」を含む2枚組全43曲収録予定。

【収録曲】
Disc-1
1．starting the case： Rail Zeppelin
2．nervous talk
3．an excellent student
4．deep in thought
5．the matter is settled， anyway
6．well-disciplined classrooms
7．it was naff
8．someone pulling the strings
9．talking about nothing
10．chasing the enigma
11．sullenly
12．you were my king
13．the clock tower
14．a noisy student
15．I’m so useless．．．
16．I have found something
17．a small happy ending
18．he’s always serious， not kidding
19．let us play a game
20．waving goodbye
21．an inspection of the scene
22．a quiet and restless place

Disc-2
1．we call him heartless
2．searching for the solution
3．an ominous premonition
4．an anxious bird
5．the culprit is you
6．bossy people
7．facing with the enemy
8．now， ladies and gentlemen
9．an evil design
10．a mighty enemy appears
11．the Rail Zeppelin
12．they are magicians
13．let the sadness knock my door
14．the magic power
15．out of control
16．no time left to win
17．deep in old grief
18．depressed and tired
19．the decision to keep going
20．tender smile， gentle feeling
21．closing the case
（※仕様・収録内容は告知なく変更になる場合がございます。）


描き下ろしジャケット