Is "Crazy Heart" Just a Remake of "Hearts of Fire"?

Were the filmmakers trying to give us a hint by including the word "heart" in the title of the new movie Crazy Heart, featuring Jeff Bridges as a washed-up country singer-songwriter who bears a remarkable resemblance to the washed-up rocker that Bob Dylan played in the film Hearts of Fire ?

I just came home from seeing Crazy Heart, and while I loved the movie, it now occurs to me that it really is just a remake of — although some might call it a great improvement upon — Dylan's Hearts of...