Trying to find out the name of a movie that aired on TV a long time ago, possibly the 80's or 90's. I believe, The movie was about these children being mistreated/abandoned?by their mother and one of the daughters sang "take me home, country roads" West Virginia.

Could it be flowers in the attic?

Flowers in the Attic (1987) (http://www.imdb.com/title/tt0093036/)