Schlagtrio (Percussive Trio) is a chamber-music work for piano and two timpanists (each playing three timpani) composed by Karlheinz Stockhausen in 1952. It is Nr. ⅓ in his catalogue of works.
The Schlagtrio was originally written in Paris in 1952 as a Schlagquartett (Percussive Quartet), for piano and three timpanists, each playing a pair of drums. It was premiered that year in Hamburg, but only in a radio recording. The first public performance was given in Munich on 23 March 1953, in Karl Amadeus Hartmann's Musica Viva concert series,after which Stockhausen decided that he had made impractical demands for subtle attack differentiations in both the percussion and piano parts. He withdrew the score after those two performances until 1973, when he decided to renotate it. This revision was carried out during a holiday break in 1974, at N'Gor, a beach resort near Dakar in Senegal. The attacks and pitches remained unaltered, but the six timpani were redistributed, three each for just two players, and the note values were doubled in order to facilitate reading.
The six timpani are tuned to a whole-tone scale, a quarter tone lower than the piano. Each drum corresponds to one octave in the piano.This oppositional scoring differentiates the piece from its immediate predecessors, Kreuzspiel , Spiel , and Formel . The former two use percussion as a noise element in contrast to pitch, while Formel integrates percussion timbres into the pitch structures of the other instruments. The course of the work describes a process in which the clear sounds of the piano and the more shadowy notes of the timpani gradually come together, make contact and overlap, and then withdraw once again. This is accomplished in a succession of twenty-three phases. The central, twelfth phase is the only one in which all twelve pitches in the piano and all six stroke types in the timpani are present.
Kontra-Punkte is a composition for ten instruments by Karlheinz Stockhausen which resolves contrasts among six instrumental timbres, as well as extremes of note values and dynamic levels, into a homogeneous ending texture. Stockhausen described it: "Counter-Points: a series of the most concealed and also the most conspicuous transformations and renewals—with no predictable end. The same thing is never heard twice. Yet there is a distinct feeling of never falling out of an unmistakable construction of the utmost homogeneity. An underlying force that holds things together—related proportions: a structure. Not the same Gestalten in a changing light. But rather this: various Gestalten in the same light, that permeates everything".
Momente (Moments) is a work by the German composer Karlheinz Stockhausen, written between 1962 and 1969, scored for solo soprano, four mixed choirs, and thirteen instrumentalists. A "cantata with radiophonic and theatrical overtones", it is described by the composer as "practically an opera of Mother Earth surrounded by her chicks". It was Stockhausen's first piece composed on principles of modular transposability, and his first musical form to be determined from categories of sensation or perception rather than by numerical units of musical terminology, which marks a significant change in the composer's musical approach from the abstract forms of the 1950s.
Zyklus für einen Schlagzeuger is a composition by Karlheinz Stockhausen, assigned Number 9 in the composer's catalog of works. It was composed in 1959 at the request of Wolfgang Steinecke as a test piece for a percussion competition at the Darmstadt Summer Courses, where it was premièred on 25 August 1959 by Christoph Caskel. It quickly became the most frequently played solo percussion work, and "inspired a wave of writing for percussion".
Kontakte ("Contacts") is an electronic music work by Karlheinz Stockhausen, realized in 1958–60 at the Westdeutscher Rundfunk (WDR) electronic-music studio in Cologne with the assistance of Gottfried Michael Koenig. The score is Nr. 12 in the composer's catalogue of works, and is dedicated to Otto Tomek.
Mikrophonie is the title given by Karlheinz Stockhausen to two of his compositions, written in 1964 and 1965, in which "normally inaudible vibrations ... are made audible by an active process of sound detection ; the microphone is used actively as a musical instrument, in contrast to its former passive function of reproducing sounds as faithfully as possible".
Zeitmaße is a chamber-music work for five woodwinds composed in 1955–1956 by German composer Karlheinz Stockhausen; it is Number 5 in the composer's catalog. It is the first of three wind quintets written by Stockhausen, followed by Adieu für Wolfgang Sebastian Meyer (1966) and the Rotary Wind Quintet (1997), but is scored with cor anglais instead of the usual French horn of the standard quintet. Its title refers to the different ways that musical time is treated in the composition.
Studie I is an electronic music composition by Karlheinz Stockhausen from the year 1953. It lasts 9 minutes 42 seconds and, together with his Studie II, comprises his work number ("opus") 3.
Refrain for three players is a chamber music composition by Karlheinz Stockhausen, and is number 11 in his catalog of works.
Atmen gibt das Leben, is a choral opera with orchestra by Karlheinz Stockhausen, written in 1974 and expanded in 1976–77. It is Number 39 in the catalogue of the composer's works, and lasts about 50 minutes in performance.
Punkte (Points) is an orchestral composition by Karlheinz Stockhausen, given the work number ½ in his catalogue of works.
Formel (Formula) is a composition for chamber orchestra by Karlheinz Stockhausen, written while he was still a student in 1951. It is given the number 1⁄6 in his catalog of works, indicating that it is amongst the pieces preceding the composition he recognised as his first mature work, Nr. 1 Kontra-Punkte.
Harlekin (Harlequin) is a composition for unaccompanied clarinet by Karlheinz Stockhausen, named for the commedia dell'arte character Harlequin. It was composed in 1975 and is Number 42 in his catalogue of works. A shorter, derived work called Der kleine Harlekin is Number 42½.
Stop is a composition for orchestra by Karlheinz Stockhausen, work-number 18 in the composer’s catalogue of works, where two performing realisations are also found as Nr. 18½ and Nr. 18⅔.
Ylem is a composition by Karlheinz Stockhausen for a variable ensemble of 19 or more players, and is given the work number 37 in his catalogue of compositions.
Plus-Minus, 2 × 7 pages for realisation, is a composition for one or several performers by Karlheinz Stockhausen, first written in 1963 and redrafted in 1974. It is Nr. 14 in the composer's catalogue of works, and has a variable performing length that depends on the version worked out from the given materials. The score is dedicated to Mary Bauermeister.
The Sonatine (Sonatina) for violin and piano is a chamber music composition by Karlheinz Stockhausen, written while he was still a student in 1951. It carries the work-number ⅛ in his catalogue of works.
Drei Lieder, for alto voice and chamber orchestra, is a song cycle by Karlheinz Stockhausen, written while he was still a conservatory student in 1950. In the composer's catalogue of works, it bears the number 1/10.
Spiel is a two-movement orchestral composition by Karlheinz Stockhausen, written in 1952. Withdrawn by the composer after its first performance, it was later revised and restored to his catalogue of works, where it bears the work-number ¼. The score is dedicated to the composer's first wife, Doris.
Chöre für Doris, after poems by Paul Verlaine, is a three-movement a cappella choral composition by Karlheinz Stockhausen, written in 1950 and later given the number 1/11 in the composer's catalogue of works. The score is dedicated to the composer's first wife, Doris Stockhausen, née Andreae.
"Choral" (Chorale) is a short a cappella choral composition by Karlheinz Stockhausen, who wrote both the words and music in 1950. It was later given the number 1/9 in the composer's catalogue of works and lasts about four minutes in performance. The score is dedicated to the composer's first wife, Doris Stockhausen, née Andreae.