Michael McDonald with Billy Preston, Toni Braxton, Take 6 and India.Arie

John Mayer with Buddy Guy (2)

The Wallflowers

Heart (1)

Heart (2)

Ringo Starr & the Roundheads with guest Colin Hay

Chris Isaak

Trisha Yearwood with Sugarland and Billy Currington

Joss Stone with guest Mavis Staples

Martina McBride

Dave Matthews Band with guests Robert Randolph, Rashawn Ross and David Cast at Red Rocks Amphitheatre