Bands that had a "masterpiece", w/ common theme

Frank Zappa And The Mothers Of Invention - We're Only In It For The Money

Smashing Pumpkins - Mellon Collie and Infinite Sadness
The music and LP is an AWESOME work of art especially when you consider the cover artwork and accompanying book, sketches, etc.

How could I forget Sufjan Stevens - Come On Feel The Illinoise

I agree with most of previous - my fave of the bunch being APP - Tales...mystery...E A Poe...
...music, concept, lyric and production wise.

...I also think P F - Final cut is an underrated masterpiece.

The Clash, The Stones, Radiohead come to mind.

IMHO: Only two albums were able to sound coherent over a wide range of genre styles but maintained a common theme: The Clash, London Calling,and the Stone's Exile on Main Street. Each song informed the next as a seemless whole.

With a comtemporary band, I also give huge kudos to Radiohead: OK Computer, Amnesiac and Hail to the Thief are not as coherent of playing different styles but work the common theme aspect.