List of albums that will still be popular 50 years from now...

Wow, finally a thread which put me into a "thinking mode"!!!
my first reaction is to put My list of My favorites, but since most of the tunes already mentioned do not "ring" with me no more (and my extended list of My favs is already at the Desert Island thread), how/what do I know?... Jazz is safe, its a new "classical", but what else? I think its the music which wont be translated into those upcoming new formats of "total immersion" or the music w/o follow-up developments. What I mean is that nobody (except me) listens to Stockhausen, Zenakis, Tangerine Dream, Klaus Schulze  nowadays: it was absorbed by trance/house/club/new age(oh, my!) and sounds already dated to my kids.
Who reads Philip K Dick or Asimov, you go and watch a movie but, say, Bradbury or Harlan Ellison will be printed because you cannot make a movie out of them. The same with music, if you cannot "improve" it by sticking plasma TV between the speakers, it will be preserved as-is.
my bad, I tend to overthink everything but its such a juicy question that I could not help myself... ;-)

An album needs some unifying theme to make it useful as a whole more so these days than ever.

Miles Davis’s music cannot be called popular music. Or John McLaughlin’s.
Pink Floyd - Dark Side Of The Moon
Pink Floyd - Wish You Were Here
Pink Floyd - The Wall
Deep Purple - Machine Head
Elvis Presley - various songs
Not sure about anything else.

czarivey - Take a look at today’s most popular albums that date from 50 years ago and I’m guessing at least 1/2 of those (probably more) will still be popular another 50 years down the road.

Ghostouse, 
Thank for really good way to figure that out...
Perhaps therefore I've mentioned Henry Mancini "Pink Panther".
Not sure if Kenny Rogers albums will be popular 50 years from now, although he's been released all over...
There are chances that Petula Clark will still be rockin on players, but less-likely Dorris Day except perhaps "Dorris Day Christmass Album".

Miles Davis "Kind Of Blue" is popular album of Miles Davis despite being jazz.