| | - Klaus Badelt
- King Crimson
- The KLF
- Katherine Jenkins
- Keaton Henson
- Keith Jarrett, Charlie Haden, Paul Motian
- Kurt Cobain
- Kati Debretzeni, English Baroque Soloists, John Eliot Gardiner
- Kian Soltani
- Khatia Buniatishvili
- King's College Choir
- Kris Bowers
- Karl Jenkins
- Keith Jarrett
- Keleketla!
- Kirill Petrenko
- The King's Singers
- Klaus Nomi
- Krystian Zimerman
| - Kristin Chenoweth
- Kennedy & Jaz Coleman
- Klaus Schulze
- Klaus Schulze & Lisa Gerrard
- Kali Malone
- Kate Ceberano
- Kian Soltani & Aaron Pilsan
- Kelly Moran
- Kid Koala & Trixie Whitley
- Kronos Quartet
- Klaus Makela
- Kuniko
- Keigo Hoashi & Keiichi Okabe
- Koen van Stade & Neal Peres Da Costa
- Klaus Doldinger
- Kathleen Battle
- Kronos Quartet, Kimmo Pohjonen & Samuli Kosminen
- Krystian Zimerman, Wiener Philharmoniker, Leonard Bernstein
- Kyohei Sorita
| - Kurt Sanderling, Peter Schreier, Birgit Finnila & Berlin Symphony Orchestra
- The Kyteman Orchestra
- Karl Loxley
- Katia & Marielle Labeque
- Koto Vortex
- Kathleen Battle & Wynton Marsalis
- Kaada
- Kolinda
- Karl Richter
- Kayo Dot
- Karin Bloemen
- Kate Lindsey, Arcangelo, Jonathan Cohen
- Koyaanisqatsy
- Kate Simko & London Electronic Orchestra
- Kinderen voor Kinderen
- Karl Bohm, Wiener Philharmoniker
- Kimmo Pohjonen
- Karel Ancerl, Czech Philharmonic Orchestra
- Kurt Weill
- Klaus Wiese
- Kendra Springer
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