. . "American rock musician" . "Uncle Kracker" . "アンクル・クラッカー" . "Uncle"@en . . "M. Shafer" . . "M." . . . "Matthew Shafer" . . "엉클 크래커" . "Kracker" . . . . "Uncle Kracker" . . "Uncle Kracker"@en . "Shafer" . "1974-06-06" . "Kracker"@en . "Matthew Shafer" . "Matt Shafer" . "Matt" . "Matthew" . . . .