"Vintage, historic audio recordings, as well as other materials related to them, are all highly valuable because of the relative rarity of the historic content of the sounds and sometimes because of the uniqueness of the medium itself.  Value generally increases depending on age, type, rarity, personalities involved, and condition.  This factor enhances the value of the property, especially because the property reflects the performance details of successful performers’ careers, some in ascent in the recordings of the collection.

"The Drobness Collection is, indeed, a collection.  It was built as a special collection by a single primary individual, item by item, and carefully maintained, developed, cataloged, and stored over time.  This factor enhances the value of the appraised property."

"The materials appear to be in very good to excellent physical and auditory condition.  This factor enhances the value of the appraised property."

"There is an increasing financial earning value for sound and image materials from the past, as revealed by the higher relative of and prices for both recorded media stock elements, collectible artifacts and other related objects.  The premium aspect applies to the vintage recorded media property under appraisal, as well—even though these recordings may not be used for income-producing activities beyond preservation and research.  This factor enhances the value of the appraised property."

"The continuing high level of interest in the content of vintage music is revealed by the large number of sites on the Internet.   This factor enhances the value of the appraised property."

"Most people are aware of the recent tremendous increase in the number of music and culture cable and satellite television and radio programs and channels available 24 hours each day.  This factor enhances the value of the appraised property."