This is the most comprehensive collection of OTR audio recordings, available on a portable 1TB External USB Hard Disk. The library includes over 95,000 shows from 2,000 OTR series in the MP3 format. The files on the hard disk can be transferred to a computer (compatible with PC and Mac), MP3 player or phone for playback.

Sample list of OTR series:
- Westerns: Gunsmoke, The Lone Ranger, The Six Shooter, Tales of Texas Rangers
- Detectives: Agatha Christie, Sherlock Holmes, Boston Blackie, Broadway is My Beat, Dragnet, The Saint, Yours Truly Johnny Dollar, Charlie Chan, The Whistler, Perry Mason
- Mystery and Suspense: Escape, Nightfall, Dark Fantasy, Inner Sanctum, Quiet Please, CBS Mystery Theater
- Science Fiction: X Minus One, Dimension X, Space Patrol, Buck Rogers
- Dramas: Lux Theatre, Screen Guild Theater, Screen Director's Theater
- Comedies: Jack Benny, Fibber McGee & Molly, Lum & Abner, Amos 'n' Andy, Fred Allen
- Superheroes: The Shadow, Flash Gordon, The Planet Man ... and more.

File names include the episode title and the broadcast date in the following format:

Folder Name: The Shadow
1. The Death House Rescue 09-26-37
2. The Phantom Voice 02-06-38
3. The Bride of Death 03-06-38
4. The White Legion 03-20-38
5. Revenge on the Shadow 07-31-38
6. The Hospital Murders 08-14-38
7. The Man Who Murdered Time 01-01-39
8. Prelude to Terror 01-29-39
9. Can the Dead Talk 03-19-39
10. The Shadow Returns 11-19-39
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