Each December, as Miami Art Week builds to its feverish crescendo, a quieter counterpoint emerges-a place where design, architecture and experimentation actually have room to breathe. Alcova is back at the Miami River Inn, the city’s oldest hotel, for its third Miami edition. But this year feels different. There’s a new energy in the air, courtesy of Polifonic, the Italian festival that’s become synonymous with transcendent sound, stunning landscapes and the kind of community you want to be part of.