Multi-city run wraps up a busy year for the singer-songwriter and her album 'Servant of Love'
Use Your Voice Tour 2016, with Anaïs Mitchell, will kick off in Florida in February
Singer-songwriter works jazz, blues threads into her weave
'Servant of Love' tackles tough issues and strays from empty country music trends
Initial lineup for annual Americana Music Festival also includes James McMurtry, Billy Bragg and Nikki Lane
Indie folk duo's new album 'Monterey' was recorded during cross-country tour
Country stars join Taj Mahal, Grace Potter, Buddy Miller and more in special concert for the gospel singer
Rich sets by Griffin, Hiatt, Ashley Monroe and Brandy Clark highlight daylong festival
Patty Griffin sings with gospel veterans on new track
Gospel singers keep 70-plus year career rolling with 'I'll Find a Way,' out October 1st
Singer collaborated with beau Robert Plant for deeply personal new disc
Folk-rock couple take an imaginative spin through a paper world
Griffin introduces Led Zeppelin frontman as her 'driver'