| Artist | Song | Popularity |
|---|
| Krewella | You Don’t Even Have to Try | 617 |
| Krewella | Zer0 | 423 |
| Kris Kross | Jump | 1035 |
| Kristen Anderson-Lopez | Do You Want to Build a Snowman? | 1662 |
| Kristian Bezuidenhout | Romanze in A-flat major, K. Anh. 205 | 1586 |
| Kristian Stanfill | Kingdom | 2359 |
| Kristin Chenoweth | One Small Thing | 622 |
| Krokus | Electric Man | 1210 |
| Krokus | Screaming in the Night | 1286 |
| KT Tunstall | Black Horse and the Cherry Tree | 2402 |
| KT Tunstall | Other Side of the World | 996 |
| KT Tunstall | Suddenly I See | 2435 |
| KT Tunstall | Under the Weather | 992 |
| Kult | Polska | 1784 |
| Kungliga Filharmonikerna | Symphony no. 1 in A-flat major, op. 55: I. Andante. Nobilmente e semplice – Allegro | 2461 |
| Kungliga Filharmonikerna | Symphony no. 1 in A-flat major, op. 55: II. Allegro molto – | 2629 |
| Kungliga Filharmonikerna | Symphony no. 1 in A-flat major, op. 55: IV. Lento – Allegro | 2270 |
| Kungs | This Girl (Kungs vs. Cookin’ on 3 Burners) | 558 |
| Kurt Elling | And We Will Fly | 1070 |
| Kurt Elling | Nightmoves | 1109 |
| Kurt Elling | The Waking | 1144 |
| Kurt Elling | Tight | 1072 |
| Kurt Elling | Undun | 1162 |
| Kurt Elling | Where Are You, My Love? | 1056 |
| Kutless | Sea of Faces | 619 |
| Kutless | Take Me In | 1924 |
| KWS | Please Don’t Go | 670 |
| Kygo | Born to Be Yours | 544 |
| Kygo | Firestone | 3055 |
| Kygo | Higher Love | 502 |