Jeffrey Friedman talks to JPR's Vanessa Finney about two films screening at this weekend's : Taylor Mac's 24-Decade History of Popular ÀÏ·ò×Ó´«Ã½ and ²ÑÚ³§±õ°ä´¡! a film that follows four young Cuban musicians over the course of five years - including a field trip to New Orleans.