Music by Kevin MacLeod. Released into the public domain (CC Zero). Download link: http://freepd.com/Cinematic/Dark%20Hallway

MacLeod's description:

Genre: Silent Film Score
Length: 0:47
Instruments: Piano

Clean version of this piece. 2 sections; one choppy, and one smooth. (see also distressed) 032
ISRC: US-UAN-11-00486
Dark, Mysterious 2008