Listen to Kacey Musgraves on iHeartRadio | Listen to Keith Urban on iHeartRadio

Kacey Musgraves is on board for the upcoming Grammy Awards.  The singer, who joins Taylor Swift as the top country nominees heading into the event, will be making her Grammy performance debut at this year's ceremony. 

Keith Urban has also joined the show's lineup, while Swift's appearance has been confirmed. 

The event will also feature a performance from surviving Beatles Paul McCartney and Ringo Starr, who'll also receive the 2014 Recording Academy Lifetime Achievement Award.  And Carole King, who is this year's MusicCares Person of the Year, will also take the stage with Sara Bareilles. 

John Legend and and Macklemore & Ryan Lewis are also slated to appear. 

LL Cool J will return to host the Grammys on Sunday, January 26th.  CBS will televise the event live at Staples Center in Los Angeles from 8:00 pm to 11:30 pm Eastern. 

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