Alison Krauss

It was announced on Friday afternoon that Nelson would be taking a few days off per doctor's orders.

Live version of the Led Zeppelin classic is the duo's first official release in two and a half years.

Duo began their trek with a performance in Tulsa, Oklahoma.

The trek begins June 2.

Gov't Mule, the Avett Brothers and many other acts will appear on various dates.

The duo's March performance at Red Rocks will be available as a worldwide stream.

Led Zeppelin legend admits he leaves her wondering, “Why are you f---ing about like this?”

She offered Led Zeppelin legend a different perspective on his "too many hobbits" era.

Five additional shows have been added to current trek.

Three Led Zeppelin covers were among the highlights of the show.