By Arthur Kaptainis. MONTREAL – In its season opener, the Montreal Symphony Orchestra premiered Chaakapesh, The Trickster’s Quest, a chamber opera sung in Cree about the adventures of the eponymous Aboriginal mythical hero. Full Story – → NEW YORK (AP) — Yes, that really is a stratospheric A above high C that Audrey Luna sings the first time we hear her in "The Exterminating Angel." The American coloratura soprano, one…