Fun. guitarist plays dumped therapist who must deal with eccentric clients in "I Wanna Get Better"
Fun., Jason Aldean, Tim McGraw will also perform at Texas concert next month
"A lot of things on the album, including this song, are about loss. It feels joyous, but for me it's very desperate"
Metallica to perform with pianist Lang Lang
Performance will be the country singer's first at the awards
Band posts six-track download on their website
Kacey Musgraves, fun. and Neko Case also set for PBS showcase
Watch performances by CSNY, Elvis Costello and Arcade Fire
Singer co-wrote tune with fun. guitarist Jack Antonoff
Atoms For Peace, Phoenix, Franz Ferdinand and more hit the stage at Austin's Zilker Park
Behind the scenes of the bands' festival collaboration
Muse, Elton John, Tiesto, Katy Perry and more kick off the eclectic festival
Elvis Costello, My Morning Jacket, Fun. and Heart will also perform at the annual charity concert
French duo will hit show next week for 'Colbchella'
Phoenix, fun. and Maroon 5 also set to perform in Las Vegas