47 of the best albums in history that weren't nominated for album of the year at the Grammys

Kurt Cobain, Rihanna, and Marvin Gaye.

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• The most prestigious category at the Grammys is album of the year (AOTY).
• Some of the most beloved albums in history, however, weren't even nominated for the award.
• These include Rihanna's "Anti," Nirvana's "Nevermind," and Marvin Gaye's "What's Going On."

As you'll often hear artists proclaim, it's an honor just to be nominated for a Grammy.

If true...