1) English-language journal 2) Moot points 3) Triannual journal 1) Variances 1) Composition by Luciano Berio 
[Berio] Différences is a composition by the Italian composer Luciano Berio for flute, clarinet, viola, cello, harp and magnetic tape, dating 1958–59. It was written for the Domaine musical concerts in Paris and first performed in March 1959, conducted by Pierre Boulez. Différences is one of the first attempts to combine live instruments...
(from the article `Berio, Luciano`) ...of style from such composers as Igor Stravinsky and Anton Webern. Serenata I (1957), his last major serial piece, was dedicated to Pierre Boulez. ...