Suggest one obsure album we all should hear


I love when I discover an album that's new to me, and great.Please share one so we can all broaden our musical horizons.

Mine is:
Wishbone Ash  'Argus'
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Fizzy, Fuzzy, Big & Buzzy-The Refreshments
It's oddly available on vinyl. 
Not sure why I like this album but it's got some magic to it. 

If you can find it John
McLaughlin Trio Live at the Royal Festival Hall: Cd only so Vinyl lovers are out of luck. Its on a small private label called JMT: Its been out of print for awhile but its worth the effort if you are into that form of experimental Jazz. The band fires on all cylinders on this one.
Some amazing recordings suggested here. The Mahavishnu Orchestra - Apocalypse.