I'm not much of a movie fan, and I haven't seen the earlier versions either - this one though will definitely have a Country Music flavour. Lukas Nelson (Willie's son) wrote several of the songs for it.
Lady Gaga has long had an interest in Country Music. When she was starting out, and finding it difficult to get bookings, she appeared at the Round Up Saloon, a Gay Country bar in Dallas. She has never forgotten that they gave her a start, and has returned there, even when she was much more famous, to give thank you performances for the staff and patrons. People tend to identify her with way-out flamboyance (as in this picture, sitting with Miranda Lambert at the Grammys in 2012
http://tasteofcountry.com/files/2012/02/Caption1.jpg?w=980&q=75
But she is actually a versatile actress. For this new film, she apparently insisted on live singing, with no overdubs. After meeting Lukas Nelson, she co-wrote with him, and sung backup on his own album, out last year. I think she has considerable talent, and respect for the roots of her music - and I look forward to seeing this.