The 11 Best Nirvana Covers (you've never heard)

With this being Nirvana week...I wanted to try and do something special.Typically, I would do a "best of" list. But that's been done to death. Or I would do a B-sides list. But again...most of those have been released. So what would be a unique list that might get everyone salivating? Obviously unreleased material is always at the top of everyone's list. Now I could do a list of original songs