Charulata/ The Lonely Wife by Satyajit Ray (1964) *India

As a Bengali film, the music is an important part of this film. These songs helps to convey the mood of the film.

References:

http://www.slantmagazine.com/film/review/charulata/996

http://movies.nytimes.com/movie/review?res=9A02E0D91130E23ABC4952DFBF66838E679EDE

http://movies.tvguide.com/charulata/review/130956

http://www1.epinions.com/review/mvie_mu-1076406/content_129467387524

http://www.sensesofcinema.com/2004/cteq/charulata/

http://www.timeout.com/film/reviews/69099/charulata.html