Popsugar Entertainment Billie Eilish What Song Is in the American Horror Story Season 9 Trailer? Wondering Who Sings That Haunting Song in American Horror Story's Season 9 Teaser? April 13, 2019 by Quinn Keaney View On One Page Photo 2 of 2 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 "Six Feet Under" by Billie Eilish Previous Next Start Slideshow American Horror StoryBillie EilishMusicTVAmerican Horror Story 1984