K'naan Songs: Wavin' Flag (Coca-Cola Celebration Mix) - Is Anybody Out There (feat. Nelly Furtado) - Bang Bang (feat. Adam Levine) - Stop For A Minute (& Keane)
Kadooh Songs: Floor It
Karol G Songs: 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...)
Kelis Songs: Milkshake - Trick Me - Millionaire (feat. André 3000) - Bounce (& Calvin Harris) - Lil' Star (feat. Cee-Lo)
The Killers
Brandon Flowers, Dave Keuning, Mark Stoermer & Ronnie Vannucci Jr.
Songs: Mr. Brightside - Human - Somebody Told Me - Spaceman - For Reasons Unknown
The King and I (musical)
The musical (1951) Richard Rodgers & Oscar Hammerstein II
Gertrude Lawrence & Yul Brynner

Songs: Shall We Dance? (Yul Brenner & Gertrude Lawrence) - I Whistle a Happy Tune (Gertrude Lawrence) - Hello, Young Lovers (Gertrude Lawrence) - Getting to Know You (Gertrude Lawrence) - Something Wonderful (Dorothy Sarnoff)
Evelyn King
Evelyn "Champagne" King
Songs: Love Come Down - Shame
Keira Knightley Songs: Lost Stars (Begin Again)
Kubb Songs: Grow
Kula Shaker Songs: Hush
Kungs
Songs: This Girl (Remix) - Don't You Know (feat. Jamie N Commons) - I Feel So Bad (feat. Ephemerals) - More Mess (feat. Olly Murs & Coely)
Kygo
Songs: Higher Love (& Whitney Houston) - Firestone (feat. Conrad) - Stole The Show (feat. Parson James) - It Ain't Me (& Selena Gomez) - Stay (feat. Maty Noyes)