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)
K/DA Songs: POP/STARS
Israel Kamakawiwo'ole
Also known as Bruddah Iz, Bradda IZ
Songs: Over the Rainbow / What a Wonderful World
Karol G
Songs: Bichota - Tusa (feat. Nicki Minaj) - X (feat. Jonas Brothers) - Créeme (& Maluma) - Mi cama
Kavinsky Songs: Nightcall (Drive OST)
Kehlani Songs: Good Thing (feat. Zedd) - Gangsta - Done for Me (feat. Charlie Puth)
Keith Songs: 98.6
Michael Patrick Kelly Songs: Beautiful Madness - Roundabouts - iD (feat. Gentleman)
Paul Kelly
Paul Kelly & The Coloured Girls
Songs: Dumb Things - To Her Door - Darling It Hurts (& The Coloured Girls) - How to Make Gravy - Before Too Long
Kenny Songs: The Bump
Kensington Songs: Streets - Sorry - Uncharted - All For Nothing (From Bloedlink movie soundtrack) - Heading Up High (feat. Armin Van Buuren)
Kermit
From The Muppet Movie movie soundtrack
See also: The Muppets

Songs: The Rainbow Connection
Kesha
KE$HA
Songs: Praying - Body Talks (feat. The Struts) - TiK ToK - Blah Blah Blah (feat. 3OH!3) - Take It Off
Master KG
Songs: Jerusalema (feat. Nomcebo Zikode)
The Killers
Brandon Flowers, Dave Keuning, Mark Stoermer & Ronnie Vannucci Jr.
Songs: My Own Soul's Warning
The King and I (musical)
The musical (1951) Richard Rodgers & Oscar Hammerstein II
Gertrude Lawrence & Yul Brynner

Songs: Getting to Know You (Gertrude Lawrence) - Something Wonderful (Dorothy Sarnoff) - Shall We Dance? (Yul Brenner & Gertrude Lawrence) - I Have Dreamed (Doretta Morrow & Larry Douglas) - I Whistle a Happy Tune (Gertrude Lawrence)
Kiss
Paul Stanley, Gene Simmons, Tommy Thayer, Eric Singer & Bruno Eng
Songs: Forever - Beth - Detroit Rock City - I Was Made For Lovin' You - Deuce
Krewella Songs: Alive
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)
Kutless Songs: Run