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)
K3 Songs: MaMaSé!
Kamaleon Songs: Más
Kana Songs: Plantation
Kaolin Songs: Partons vite (si tu veux bien) - Je reviens
Karol G Songs: Mi cama
Kasalla Songs: Pirate
Kavinsky Songs: Nightcall (Drive OST)
Peter Kay Songs: Once Upon a Christmas Song (Geraldine McQueen) - The Winner's Song (Britain's Got the Pop Factor...)
Kazik Songs: 12 groszy
Kelis Songs: Milkshake - Acapella - Millionaire (feat. André 3000) - Bounce (& Calvin Harris) - Trick Me
Gene Kelly
See also: Singin' In The Rain
Songs: Singin' in the Rain - Good Morning (Singin' In The Rain) - Moses Supposes (& Donald O'Connor) - 'S Wonderful (From An American in Paris movie soundtrack)
Michael Patrick Kelly Songs: iD (feat. Gentleman) - Roundabouts
Kenny Songs: The Bump
Kensington Songs: Heading Up High (feat. Armin Van Buuren) - All For Nothing (From Bloedlink movie soundtrack) - Sorry - Streets
Kids United
Gloria, Nilusi, Erza, Esteban, Carla & Gabriel
Songs: L'oiseau et l'enfant - Last Christmas - On écrit sur les murs - Sur ma route (in duet with Black M) - Les mots bleus (Nilusi)
Kiiara Songs: Heavy (& Linkin Park)
Lil' Kim
Songs: Lady Marmalade (From Moulin Rouge! movie soundtrack) - Not Tonight - Magic Stick (feat. 50 Cent) - The Jump Off (feat. Mr. Cheeks) - Get Down On It (& Blue & Kool And The Gang)
Peter Kingsbery Songs: The Promise You Made (in duet with Anna LaCazio) - Only The Very Best
Laila Kinnunen Songs: Pojat (in duet with Ritva Kinnunen)
Ritva Kinnunen Songs: Pojat (in duet with Laila Kinnunen)
Kiss
Paul Stanley, Gene Simmons, Tommy Thayer, Eric Singer & Bruno Eng
Songs: I Was Made For Lovin' You - Detroit Rock City - Forever - Crazy Crazy Nights - God Gave Rock & Roll To You
Keira Knightley Songs: Lost Stars (Begin Again)
Krewella Songs: Alive
Kris Songs: Diese Tage (feat. Dante Thomas)
Kula Shaker Songs: Hush
Kungs Songs: This Girl (Remix) - I Feel So Bad (feat. Ephemerals) - Don't You Know (feat. Jamie N Commons) - More Mess (feat. Olly Murs & Coely)
Kwabs Songs: Walk
Kygo
Songs: Firestone (feat. Conrad) - Remind Me to Forget (feat. Miguel) - It Ain't Me (& Selena Gomez) - You're the Best Thing About Me (& U2) - Stay (feat. Maty Noyes)