"Songbirds, Greatest Female Singers of Our Time" is coming out in weeks. Joni is prominently featured as she makes the list of 상단, 맨 위로 30 singers. I am the author, Brian Marshall. I will let all 당신 Joni enthusiasts know when the book drops.
An excerpt:

Mitchell started 노래 with her 프렌즈 at bonfires around Waskesiu Lake, northwest of Prince Albert, Saskatchewan. She widened her repertoire to include her 가장 좋아하는 performers, such as Édith Piaf and Miles Davis, at age 18. Her first paid performance was on October 31, 1962, at a Saskatoon club that featured folk and jazz performers. Although...