The Visitor (2007)

From NetFlix: Widowed professor Walter Vale (Richard Jenkins, in an Oscar-nominated role) finds himself drawn to a different rhythm when he discovers an immigrant couple, Tarek (Haaz Sleiman) and Zainab (Danai Gurira), squatting in his Manhattan flat and becomes wrapped up in their lives. Hiam Abbass co-stars as Tarek's mother, who forges an unlikely connection with Walter when Tarek is thrown into a detention center. 2007 103 minutes Official Web Site and Trailer

Wonderful film about the healing properties of music on a depressed isolated man. Well worth viewing.