From the publisher's web site:
"This is a download of 53 mp3 recordings of the Mice and Mystics: Sorrow and Remembrance Story Moments. Named and categorized for ease of use, these are intended to be played at the appropriate moments during the chapters of that story book.
"The entire sale price of this item will be donated to the Jack Vasel Memorial Fund."
In Mice and Mystics, each scenario is preceded by story elements that are read to the players to set the mood and outline the objectives. These mp3 files are a reading of these story elements by a professional voice actor intended to enhance play experience and to help immerse the players in the story.