"Understanding the Fundamentals of Music" by Robert Greenberg is a DVD textbook designed for adult education and further education levels. The focus of the program is on exploring the history and criticism of music in an accessible English language format. Greenberg serves as the author and publisher through his partnership with The Teaching Company, LLC, providing a comprehensive overview of music concepts for those interested in deepening their understanding of the subject area. This engaging and informative DVD is a valuable resource for individuals looking to enhance their musical knowledge and appreciation.