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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   Not exactly "obscure" but definitely stand alone. 
   Roxy Music / Roxy Music
   Al Green / The Belle Album
   Chicago / Chicago Transit Authority
   
Released 50 years ago yesterday (!) .... David Crosby's "IF I COULD ONLY REMEMBER MY NAME" (Atlantic 1971) features guests Graham Nash, Neil Young, Joni Mitchell, and members of Jefferson Airplane, Santana, and the Grateful Dead.
Great record. FWIW, I was very much around in 1971 and nothing released by Crosby and his various affiliated cohorts was considered obscure...much closer to mainstream.
Thank you @cd318 for your recommendation of Tallulah Gosh. Been listening to them and Heavenly. They were before my time but appreciate you helping me explore them.
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