Editor
Joni Mitchell has been a performer for nearly six decades, so at this point it’s safe to assume that she doesn’t get super nervous on stage, even during her first full-length live set in more than 20 years. Which explains why Mitchell’s surprise festival closing set at Sunday night’s (July 24) Newport Folk Festival — officially billed as “Brandi Carlile & Friends” — was not super nerve-wracking even though it marked the folk icon’s first gig at the beloved…
