Joni Mitchell's style 'found its roots in Calgary,' biography author Ann Powers says

I am on a lonely road and I am traveling Traveling, traveling, traveling Looking for something, what can it be? "All I Want" Joni Mitchell   Joni Mitchell's travels – musically and literally – became a fitting metaphor for Ann Powers' new biography of the Canadian singer/songwriter. And her year in Calgary in the 1960s was a big part of Mitchell's development. "I absolutely think her time in Calgary was key to who she became as a musician, as a woman, as an artist," said Powers,