John Mayer jammed with Dead & Company at the lively event hosted by Andy Cohen that also included performances from Wynonna Judd, Norah Jones, Sammy Hagar, Vampire Weekend, My Morning Jacket and more.

Grammy weekend kicked off with a tie-dyed bang as the Grateful Dead were honored as MusiCares Persons of the Year on Friday ...

It's hard for ABC News anchor David Muir to hide his most controversial moments, especially the ones that happen live on air. Here's a look at some of them.