Singer Bruno Mars accepts the Best Record of the Year award during the 58th Grammy Awards in Los Angeles, California February 15, 2016.[Photo/Agencies]

BEST COUNTRY ALBUM

"Traveller" - Chris Stapleton

BEST POP VOCAL ALBUM

"1989" - Taylor Swift

BEST ROCK ALBUM

"Drones" - Muse

BEST RAP ALBUM

"To Pimp A Butterfly" - Kendrick Lamar