"1971-11-04Z"^^ . . "solo_singer" . . . . . . . "Gregory Porter"@en . . "Gregory Porter (born November 4, 1971) is an American jazz vocalist, songwriter and actor. Porter won the 2014 Grammy for best jazz vocal album, Liquid Spirit."@en . . "1998Z"^^ . . "1971Z"^^ . . "American singer" . . .