CBS Radio Mystery Theater - Paul P. originally recorded these off the air from KOIN in Portland to reel-to-reel back in the 70's. Later, he donated the tapes to a university then borrowed them back to do the digital transfer. These are the result. There are no original wave files. Paul kept only the compressed MP3s. The audio quality varies from decent to excellent. The decent ones seem to be lacking in the low end. These have full news and commercials.