Photos: Karli Cadel   Ensemble Signal Plays Johannes Maria Staud Composer Portrait at Miller Theatre April 8, 2017 Sequenza 21 By Christian Carey   NEW YORK – Austrian composer Johannes Maria Staud was given a prominent residency with the Cleveland Orchestra back in 2008-’10. Apart from this, he has not gained nearly as much notoriety in the United States as he deserves. His is one of the most fluent and and multi-faceted of the European “Second Modern” school of composition.  A recent Composer Portrait concert, given at Miller Theatre by Ensemble Signal, demonstrated at least part of Staud’s considerable range