We put together this collection of eerie audio delights for your listening pleasure. All of these resources were located through the Internet Archive and Open Culture and are all available at no cost.
Music
Halloween Nuggets– Halloween soundtrack
Audiobooks
5 hour of Edgar Allan Poe – (read by Basil Rathbone & Vincent Price)
Collected Public Domain Works of H.P. Lovecraft – (various readers)
Coraline – Neil Gaiman (read by Neil Gaiman and others)
Dark Fantasy – Scott Bishop (original radio broadcasts)
Dracula – Bram Stoker (read by Christopher Lee)
Frankenstein, or the Modern Prometheus – Mary Shelley
Grim Tales – E. Nesbit
Legend of Sleepy Hollow – Washington Irving
The Strange Case of Dr. Jekyll and Mr. Hyde – Robert Louis Stevenson (read by David Barnes)
Tales of the Frightened – Michael Avalone (read by Boris Karloff)
Tales of Terror and Mystery – Sir Arthur Conan Doyle (various readers)
War of the Worlds – H.G. Wells (original radio broadcast)