Every Little Thing (1997)

a.k.a.  La Moindre des choses

Disabilities:  Mental institution

Comments:   French film about the patients at a mental hospital who are rehearsing for their annual operetta.

http://www.dvdbeaver.com/film/DVDReviews22/every_little_thing_dvd_review.htm

http://www.dvdtimes.co.uk/content.php?contentid=61666