. . . . "Silva, Alan"@en . . . . . "Alan Silva (born Alan Treadwell da Silva, Bermuda, January 22, 1939) is an American free jazz double bassist and keyboard player."@en . . . . "Alan Treadwell da Silva"@en . . . . . . . . "1939Z"^^ . . . . "American musician" . . . . . . . . . . . . . . . . . . . . . . . "non_vocal_instrumentalist" . . . "1939-01-22Z"^^ . . . . . . "Alan Silva"@en . . . .