"1925Z"^^ . "Boulez, Pierre"@en . . "1925-03-26Z"^^ . . "Composer, conductor, writer" . "Pierre Boulez (French: [pj\u025B\u0281 bu.l\u025B\u02D0z]; born 26 March 1925) is a French composer, conductor, writer, and pianist.In his early career, Boulez played a key role in the development of integral serialism, controlled chance and electronic music."@en . .