The hype swirling around this romantic/creative saga about how the power of love and art can solve virtually any problem has indeed been palpable, but the finished product unfortunately fails to live up to its ambitious billing. Writer-director John Carney’s latest feature tells the story of Flora (Eve Hewson), a Dublin working class single mom with questionable values who’s struggling to raise her (allegedly) rebellious teenage son, Max (Orén Kinlan). But, in doing so, the picture tends to wander amidst an array of diverse story threads, all of which start out dubious but gradually mellow int...