•
Katikati, for flute, Nr. 85.2
extra (2006) •
Der Kinderfänger (The Pied Piper) with
Entführung (Abduction), scenes 2 and 3 from
Evas Zauber (act 3 of
Montag aus Licht) (1986), two versions: • Nr. 58 , for alto flute with piccolo, children's choir, modern orchestra (3 synthesizer players, percussionist, and tape), with basset-horn
ad lib. • Nr. 58
ossia, as either a solo for alto flute with piccolo, two synthesizer players, one percussionist, and tape, or a solo for alto flute with piccolo and tape •
Kinntanz ("Chin Dance"), 10. ex Nr. 53, from
Luzifers Tanz, scene 3 from
Samstag aus Licht (1983), 2 versions: • for euphonium, one percussionist, one synthesizer player (1 transmitter, 6 microphones, 2 × 2 loudspeakers, mixing desk and sound projectionist), or • euphonium, one percussionist, alto trombone, tenor horns (or baritones), and tubas (1 transmitter, 6 microphones, 2 × 2 loudspeakers, mixing desk and sound projectionist) •
Klang ("Sound", the 24 Hours of the Day), Nr. 81–101 (2004–2007) • First Hour:
Himmelfahrt (Ascension), for organ (or synthesizer), soprano, and tenor, Nr. 81 (2004–05) • Second Hour:
Freude (Joy), for 2 harps, Nr. 82 (2005) • Third Hour:
Natürliche Dauern 1–24 (Natural Durations 1–24), for piano, Nr. 83 (2005–06) • Fourth Hour:
Himmels-Tur (Heaven's Door), for a percussionist and a little girl, Nr. 84 (2005) • Fifth Hour:
Harmonien (Harmonies), Nr. 85, versions for: • bass clarinet, Nr. 85.1 (2006) • flute, Nr. 85.2 (2006) • trumpet, Nr. 85.3 (2006) • Sixth Hour:
Schönheit (Beauty), for flute, bass clarinet, and trumpet, Nr. 86 (2006) • Seventh Hour:
Balance, for flute, English horn, and bass clarinet, Nr. 87 (2007) • Eighth Hour:
Glück (Bliss), for oboe, English horn, and bassoon, Nr. 88 (2007) • Ninth Hour:
Hoffnung (Hope), for violin, viola, and cello, Nr. 89 (2007) • Tenth Hour:
Glanz (Brilliance), for oboe, clarinet, bassoon, trumpet, trombone, tuba, and viola, Nr. 90 (2007) • Eleventh Hour:
Treue (Fidelity), for E-flat clarinet, basset horn, and bass clarinet, Nr. 91 (2007) • Twelfth Hour:
Erwachen (Awakening), for soprano saxophone, trumpet, and cello, Nr. 92 (2007) • Thirteenth Hour:
Cosmic Pulses, electronic music, Nr. 93 (2006–07) • Fourteenth Hour:
Havona, for bass voice and electronic music, Nr. 94 (2007) • Fifteenth Hour:
Orvonton, for baritone and electronic music, Nr. 95 (2007) • Sixteenth Hour:
Uversa, for basset-horn and electronic music, Nr. 96 (2007) • Seventeenth Hour:
Nebadon, for horn and electronic music, Nr. 97 (2007) • Eighteenth Hour:
Jerusem, for tenor and electronic music, Nr. 98 (2007) • Nineteenth Hour:
Urantia, for soprano and electronic music, Nr. 99 (2007) • Twentieth Hour:
Edentia, for soprano saxophone and electronic music, Nr. 100 (2007) • Twenty-first Hour:
Paradies (Paradise), for flute and electronic music, Nr. 101 (2007) •
Klavierstücke ("Piano Pieces") •
Klavierstücke I–IV, Nr. 2 (1952) •
Klavierstücke V–X, Nr. 4 (1954–55/61) •
Klavierstück XI, Nr. 7 (1956) •
Klavierstück XII, ex Nr. 49 (1979/83) •
Klavierstück XIII, Nr. 51 (1981) •
Klavierstück XIV, ex Nr. 57 (1984) •
Synthi-Fou (Klavierstück XV), ex Nr. 61 •
Klavierstück XVI, Nr. 63 (1995) •
Klavierstück XVII, 7 ex Nr. 64 (1994/99) •
Klavierstück XVIII, Nr. 73 (2004) •
Klavierstück XIX, Nr. 80 (2001/2003) •
Knabenduett ("Boys' Duet"), for 2 soprano saxophones, 2. ex Nr. 50, from
Festival, scene 1 of act 3 of
Donnerstag aus Licht (1980) •
Komet ("Comet"), version for a percussionist, electronic and concrete music, sound projectionist, 7 ex Nr. 64 (1994/99) •
Komet als Klavierstück XVII, for electronic piano (synthesizer), electronic and concrete music, sound projectionist, 7 ex Nr. 64 (1994/99) (see:
Klavierstücke) •
Kontakte ("Contacts"), for electronic sounds, Nr. 12 (1958–60) •
Kontakte, for electronic sounds, piano, and percussion, Nr. 12 (1958–60) •
Originale ("Originals"), musical theatre with
Kontakte, Nr. 12 (1961) •
Kontra-Punkte ("Counter-Points"), for 10 instruments, Nr. 1 (1952–53) •
Kreuzspiel ("Crossplay"), for oboe, bass clarinet, piano, and 3 percussionists, Nr. 1/7 (1951) •
Kurzwellen ("Short Waves"), for 6 players with live electronics, plus sound director, Nr. 25 (1968) ==L==