http://www.freesfx.co.uk
- dum_dum.mp3
- chalk_stick_write_on_chalk_board.mp3
- mantle_clock_distinctive_tick_tock.mp3
- mantle_clock_heavy_low_tick_tock.mp3


http://www.freesoundeffects.com
- close_door_1.mp3
- door_lock.mp3
- open_creaky_door.mp3

https://www.freesound.org/people/Soughtaftersounds/
- 145434__soughtaftersounds__old-music-box-1.ogg
- 145435__soughtaftersounds__old-music-box-2.ogg
- 145436__soughtaftersounds__old-music-box-3.ogg
