Mahler wells up out of rare moments of silence in Inarritu's showbiz satire when Riggan (Michael Keaton) believes he's achieved moments of transcendence: first two minutes of the 9th (Halasz/Polish RSO) and the first two minutes of "Ich Bin Die Welt" (Urmana/Boulez). A stark relief from the persistent drumming provided by Antonio Sanchez.