She has sang different kinds of music like Folk and cajun
Yes. I think she even sang some Operettas, on Broadway. She is a very versatile singer.
Her first solo album was released in 1969
Oh, I didn't know that. I do know that she has sold over 100 million records, making her one of the all time best selling artistsm ever,
She won a few different grammys in the 1970s
She also sang with Emmylou Harris, and Dolly Parton, and might have received a Grammy for "Honky Tonk Angels."
She even sang the national anthem at one point for the world series
Yes. At one point, she was the highest paid female rock singer. She has done back-up vocals for other artists like Neil Young.
She released a jazz album in 2004
Oh, I don't think I've heard that one. She is now retired because of some health issues, which is sad.