"Mitchell has deeply influenced fellow musicians in a diverse range of genres, and her work is highly respected by critics. Allmusic said, "When the dust settles, Joni Mitchell may stand as the most important and influential female recording artist of the late 20th century," and Rolling Stone called her "one of the greatest songwriters ever."Here's a live recording of her song "Woodstock." She wrote it in a hotel room in New York City while watching the 1969 Woodstock festival on television.
Crosby, Stills, Nash, and Young had a major hit with this recording of her song: