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]
