It’s the end of the world, and characters are going out with a little song and dance in “The End.” Documentarian Joshua Oppenheimer (“The Act of Killing,” “The Look of Silence”) tries his luck with a narrative-driven feature, examining the strange ways of a wealthy family living out their days inside an enormous bunker during a climate apocalypse, determined to carry on as normally as possible before someone enters their lives to change everything. Oppenheimer has elected to serve up such grimness as a musical, allowing these cautious personalities to express themselves through songs, trying to give the endeavor a sense of the unusual and poetic while confronting deep emotional wounds. “The End” carries on for nearly 150 minutes, which is the first of many indulgences from the helmer, but he’s attempting to do something unusual in the work, addressing real-world ills and familial tensions in unexpected ways, helping to digest a somewhat unwieldy film. Read the rest at Blu-ray.com