K'naan Songs: Wavin' Flag (Coca-Cola Celebration Mix) - Bang Bang (feat. Adam Levine) - Is Anybody Out There (feat. Nelly Furtado) - Stop For A Minute (& Keane)
Israel Kamakawiwo'ole
Also known as Bruddah Iz, Bradda IZ
Songs: Over the Rainbow / What a Wonderful World
Karol G Songs: X (feat. Jonas Brothers) - Tusa (feat. Nicki Minaj) - Créeme (& Maluma) - China (& Anuel AA & Daddy Yankee) - Mi cama
Peter Kay Songs: Once Upon a Christmas Song (Geraldine McQueen) - The Winner's Song (Britain's Got the Pop Factor...)
Kehlani Songs: Done for Me (feat. Charlie Puth) - Gangsta - Good Thing (feat. Zedd)
Kelis Songs: Lil' Star (feat. Cee-Lo) - Milkshake - Bounce (& Calvin Harris) - Millionaire (feat. André 3000) - 4th Of July
Kenny Songs: The Bump
Kensington Songs: All For Nothing (From Bloedlink movie soundtrack) - Sorry - Streets - Uncharted - Heading Up High (feat. Armin Van Buuren)
From The Muppet Movie movie soundtrack
See also: The Muppets

Songs: The Rainbow Connection
Songs: Heavy (& Linkin Park)
The Killers
Brandon Flowers, Dave Keuning, Mark Stoermer & Ronnie Vannucci Jr.
Songs: Human - Mr. Brightside - When You Were Young - The Man - Somebody Told Me
The King and I (musical)
The musical (1951) Richard Rodgers & Oscar Hammerstein II
Gertrude Lawrence & Yul Brynner

Songs: Getting to Know You (Gertrude Lawrence) - Hello, Young Lovers (Gertrude Lawrence) - I Have Dreamed (Doretta Morrow & Larry Douglas) - Something Wonderful (Dorothy Sarnoff) - Shall We Dance? (Yul Brenner & Gertrude Lawrence)
Paul Stanley, Gene Simmons, Tommy Thayer, Eric Singer & Bruno Eng
Songs: Crazy Crazy Nights - Detroit Rock City - Rock and Roll All Nite - God Gave Rock & Roll To You - I Was Made For Lovin' You
Keira Knightley Songs: Lost Stars (Begin Again)
Kula Shaker Songs: Hush
Kungs Songs: This Girl (Remix) - More Mess (feat. Olly Murs & Coely) - I Feel So Bad (feat. Ephemerals) - Don't You Know (feat. Jamie N Commons)
Songs: Higher Love (& Whitney Houston) - Stole The Show (feat. Parson James) - Firestone (feat. Conrad) - Carry On (& Rita Ora) - Firestone (Acoustic) (feat. Conrad (Live))