What made the film "Billy Elliot" a hit despite being an independent film?

Apart from the fact it has well known actors in it, any suggestions? would really help!





thanks!What made the film "Billy Elliot" a hit despite being an independent film?
Realization of an impossible dream is always an excellent theme.



Great music doesn't hurt either ; )
The music of Elton John.

.What made the film "Billy Elliot" a hit despite being an independent film?
The screenplay,the whole story about a boy who wants to dance ballet and follows his dream.