"Bury Me A G" is probably one of 2Pac's most memorable, popular songs but now its causing his estate some trouble.

TMZ reports that Natasha Walker, who has credit for singing back-up on the song is now suing the estate for unpaid royalties. According to documents, she and 2Pac made a deal saying they would have equal ownership of the song, but she hasn't seen a dime from the song's release.

However, she has a problem: the statute of limitations for such a claim is four years in California and it's been over 20 years since the song was released. "Bury Me A G" was one of the standout songs on the 1994 album, Thug Life.

Walker's attorney still believes she has a shot at collecting because the song continues to make money. According to documents, Walker wants all royalties, back and current, plus damages and attorney's fees.

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