Joni’s music is one of stylistic turns, but her acoustic guitar playing reveals an affection for jazz even in her earliest works.

When the revolving stage turned to reveal Joni Mitchell seated and singing from a brocade throne chair Sunday night, cheers erupted at the Grammy awards. Just a few notes into her slowed-down version ...

To be fully transparent, this was initially going to be a very different essay. I first set out to chronicle Joni Mitchell’s transformation from a folk visionary to a jazz voyager; a story of ...