In Freundschaftwikipedia
In Freundschaft is a composition by Karlheinz Stockhausen, number 46 in his catalogue of works, which is playable on a wide variety of solo instruments.

Karlheinz Stockhausen

StockhausenKarlheinz StockhausenStockhausen, Karlheinz
In Freundschaft is a composition by Karlheinz Stockhausen, number 46 in his catalogue of works, which is playable on a wide variety of solo instruments.
Two such pieces, Tierkreis ("Zodiac", 1974–75) and In Freundschaft (In Friendship, 1977, a solo piece with versions for virtually every orchestral instrument), have become Stockhausen's most widely performed and recorded compositions.

Formula composition

formulaformula compositionformula technique
The four parameters of pitch, duration, dynamics, and timbre in In Freundschaft are all determined from the construction of a musical formula, the basic form of which is presented at the outset of the work.
Works of the first type include Mantra (1970), Inori (1973–74), Jubiläum (1977), and In Freundschaft (1977); works of the second type comprise Alphabet für Liège (1972), the “Laub und Regen” duet from Herbstmusik (1974), Musik im Bauch (1975), Harlekin (1975), Der kleine Harlekin (1975), and Sirius (1975–77).

Rotary Wind Quintet

Rotary'' Wind QuintetRotary-Bläserquintett
In Freundschaft for oboe; Linker Augentanz; Taurus; Taurus-Quintett; Kamel-Tanz; Rotary-Bläserquintett.

Phoenix Arising

97 (1992) by Victor Bruns and Gordon Jacob's Suite for bassoon and string quartet, and Karlheinz Stockhausen's In Freundschaft.

Samstag aus Licht

Luzifers TanzSamsKathinkas Gesang als Luzifers RequiemLuzifers Abschied

List of concert works for saxophone

solo repertoireWorks for saxophone and pianoList of Concert Works for Saxophone

Aix-en-Provence

AixAix-en-Provence, FranceAquae Sextiae
A first version of In Freundschaft was composed on Sunday, 24 July 1977 in Aix-en-Provence as a birthday gift for Suzanne Stephens.

Suzanne Stephens

Suzee (Suzanne) Stephens
A first version of In Freundschaft was composed on Sunday, 24 July 1977 in Aix-en-Provence as a birthday gift for Suzanne Stephens.

Salle Wagram

The premiere of the version for clarinet was given by Suzanne Stephens on 30 November 1978 as part of a concert Hommage à Olivier Messiaen, in the Salle Wagram, Paris, and the version for oboe was premiered by Heinz Holliger on 6 July 1979 in a Musik des 20. Jahrhunderts concert in the large hall of Funkhaus Halberg at the Saarländische Rundfunk in Saarbrücken.

Heinz Holliger

Heinz HolligerHolliger
The premiere of the version for clarinet was given by Suzanne Stephens on 30 November 1978 as part of a concert Hommage à Olivier Messiaen, in the Salle Wagram, Paris, and the version for oboe was premiered by Heinz Holliger on 6 July 1979 in a Musik des 20. Jahrhunderts concert in the large hall of Funkhaus Halberg at the Saarländische Rundfunk in Saarbrücken.

Saarbrücken

SaarbrückenSaarbrücken, GermanySaarbruken, Germany
The premiere of the version for clarinet was given by Suzanne Stephens on 30 November 1978 as part of a concert Hommage à Olivier Messiaen, in the Salle Wagram, Paris, and the version for oboe was premiered by Heinz Holliger on 6 July 1979 in a Musik des 20. Jahrhunderts concert in the large hall of Funkhaus Halberg at the Saarländische Rundfunk in Saarbrücken.

Harry Sparnaay

Both the clarinet and basset-horn versions are authorised for performance on bass clarinet, and the first public performance of the extended-range version was given by the Dutch bass clarinetist Harry Sparnaay on 10 January 1981 in Haarlem.