Original soundtrack by Niels Bye Nielsen.
This is a mix of the music that plays in Dartmoor (Death in the Family). It may differ from the in-game version, include unused parts or be missing other parts.
Timestamps:
00:00 - Opening Sequence
01:21 - Entering Mansion Grounds
01:51 - Death in the Family (Mansion Grounds)
11:42 - Graveyard
14:41 - Thornbridge Manor (Inside the Manor)
24:56 - Tears of Thornbridge Manor (Piano Suite)
29:19 - Murder Mystery
30:30 - Zachary’s Room
33:39 - Secret Rooms
34:54 - Rebecca’s Room
35:53 - Mr. Fernsby’s Office
37:53 - Emma and Gregory’s Room
39:30 - Scheming in the Greenhouse
41:14 - ?
41:37 - Suspicious/Arrested
42:55 - Collecting Your Reward
46:22 - Solving the Case
52:21 - First Objective Complete
52:33 - Alexa Carlisle, the Matriarch (Alexa’s Quarters)
59:54 - Second Objective Complete
01:00:13 - Exfiltration
01:02:36 - Leaving Carlisle Estate (Level Exit)
01:02:48 - Post-Mission Results
Timestamps may be incorrect or incomplete, feel free to correct them in the comment