The cassettes feature NPR interviews with Robert W. Lawson and Richard K. Walton, discussing various aspects of birding by ear and nature in general. With an intended audience of young adults and adults, the audio play provides a nonfiction narrative on the topic of naturalism, making it a valuable resource for bird enthusiasts looking to improve their knowledge and skills in birding.
Not very many good birdsong courses available. This course on cassette is the only one I could find. Are they all out of print? I'm very pleased to find this. The course builds up slowly so that I don't get overwhelmed..