Miranda Lambert takes over Blake Shelton's birthday concert.
Scotty McCreery admires Ryan Seacrest's flair for the dramatic.
Grace Potter loves "Rock 'n' Roll" as much as Bonnaroo fans.
Jo Dee Messina will honor seniors during an elegant fundraiser.
Steve Earle makes the Telluride Bluegrass Festival a family affair.
Mumford & Sons mingle with the old guard of bluegrass at Telluride.