In Death House, the optional mini-adventure presented as Appendix B: Death House in Curse of Strahd, as well as a free introductory adventure on the Wizards of the Coast website, there is a cult which is described as chanting particular phrases over and over again (see Areas 35 and 38).
This product contains 4 short audio tracks in mp3 format, one for each phrase the cult chants.... [click here for more]
Your players enter a Menacing Cave in search of adventure!
Approximately 8 minutes of tension building ambience and atonal music. Hear the dampness of the cave through water drop effects, and hear it haunting depth from the deep filling rumbles! Perfect for suspense and a touch of terror!
No need to overthink or mix this one, just set it on loop and get back to the adventure!
*Update*
I've... [click here for more]