Detectives On the Radio

open playlist in Spotify application

Music score	YES
Sound effects	YES
Multiple voices	YES

This sounds absolutely like a vintage radio drama, but it's fun, old commercials included.
From now on I'll use the word "vintage" for not so stellar sound quality :-)

I found 4 albums for this series, which are included in the playlist above.

Here are their separate links:

• Volume 1
• Volume 2
• Volume 3
• Volume 4