This is an collection of Inner Sanctum Mysteries, an oldtime radio show from the 1940s and 1950s. If you love a good horror story, you'll love these. You get all these (and many others plus more of the same genre):
"Worth the listen if you know what you're getting."
This is Orson Welles Les Miserables, an old-time radio show from the 1930s. If you love a good radio drama, you'll love these.