The world’s largest music collection is up for sale on eBay… with no reserve!!  From the description:

From Thomas Edison to American Idol, this is the complete history of the music that shaped and defined five generations. 3 million records and 300,000 CDs containing more than 6 million song titles. It’s the undisputed largest collection of recorded music in the world.
About half of the recordings are new and never played, and every genre
of 20th century music is represented. There are countless rare
recordings worth hundreds, or even thousands of dollars each on the
collectibles market. Organized and cataloged, the collection is
meticulously maintained and housed in a climate-controlled warehouse.
The estimated value of this amazing collection is more than $50 million.