Everyone of them show up "singularly" in my library on my computer, however, if I look at the list on my Ipod, I have numerous duplications, triplications, etc.. for example: Under the title Grateful Dead Closing of Winterland (4 CD's that I loaded myself) they show up in MANY different places on the Ipod.
He made a "List of Friends," which he classified as Grateful, Ungrateful, Indifferent, and Doubtful.
If you're interested in Grateful Dead scholarship, there's plenty to be found online.
Jerry Garcia discovered the name Grateful Dead in a dictionary.
The latest Grateful Dead product is a Monopoly-like board game called Grateful Dead-Opoly.