. . "solo_singer" . "Deyoung, Dennis"@en . "Dennis DeYoung (born February 18, 1947) is an American singer, songwriter, musician and producer best known for being a founding member of the rock band Styx as lead vocalist and keyboardist, a tenure that lasted from 1961 until June 1999. DeYoung has been credited as the writer of more Styx songs than any other Styx member."@en . "Singer" . . . "Dennis DeYoung"@en . "1947Z"^^ . . "0223398" . "1961Z"^^ . "1947-02-18Z"^^ . .