| AUTHOR | SCORE(S) | TEXT(S) | REMARK |
| Amigo, Cristian (USA, 1963). | x | Verbally notated short pieces. | |
| Andersen, Eric (DK, 1943). | x | The canonic op.51 with authorised performance instructions. | |
| Barbiero, Daniel (USA, 1958). | x | x | Pieces with pages to be ordered according to the performers' preference. Articles screening areas of understanding improvisation. |
| Bergmark, Johannes (SE, 1963). | x | MA dissertation dealing with instrument building and improvised music in Stockholm. | |
| Bergstroem-Nielsen, Carl (DK, 1951). | x | x | Among other texts, a large bibliography of (writings on) improvised music and related. |
| Buj Corral, Marina (ESP, 1976). | x | PhD and other illustrated texts about graphic notations. | |
| x | Graphic compositions | ||
| Cochrane, Richard (UK, 1971). | x | Reviews from the Musings site (1995-99). Approx. 235 entries. | |
| x | Instructional scores. | Cox, Christoph (USA, 1965). | x | Article about the historical development of music notation (2008). | Davies, Hugh (GB, 1943-2005). | x | Article about Stockhausen's collection From the Seven Days (1975). |
| Fell, Simon H. (UK, 1959-2020). | x | One of the texts introduce the concepts of 'invasive'/'non-invasive' composition. | |
| Ford, Charles C. (UK, 1950). | x | Article on improvised music teaching in higher education. | |
| Globokar, Vinko (Yuguslavia, 1934) | x | Pioneering article on composition for improvisors. English and Russian. | |
| x | x |
Verbally notated score / prose piece. Short text on egalitarian music (in English and Swedish). |
|
| x | Exhibition catalogue on music and graphics, Donaueschingen 1959 | ||
| x | Excerpt from a paper, summarising theories by Caillois, Lars von Trier and Stephen Nachmanovitch. In Danish. | ||
| Hübsch, Carl Ludwig (DE, 1966) | x | Article on the analysis of improvisation in both German and English | |
| x | Texts in German and English. | ||
| x | Various authors | ||
| Karkoschka, Erhard (D, 1923-2009). | x | Classic article on improvisation, viewed from experimental composition | |
| Keller, Max Eugen (CH, b.1947). | x | Scores notated with text and graphics. | |
| Kohl, Jerome (USA, 1946). | x | Article on Stockhausen's collection of text-notated pieces Aus den Sieben Tagen [From the Seven Days] | |
| x |
- Short text stating commandments of anarchy within free improvisation. - Kurzer Text über Gebote der Anarchie in freier Improvisation. - Texto corto sobre la dimensión ética en la música improvisada. - Also in Russian, Czech and Polish languages. |
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| x | x | Articles by Lekfeldt in Danish and an article in English by Bergstroem-Nielsen on Lekfeldt's compositions with notation examples. | |
| Mäder, Urban; Baumann, Christoph; Meyer, Thomas | (x) | (x) | Playing suggestions. Excerpt from a publication on free improvisation didactics, Luzern, Switzerland 2013. |
| Nomura, Makoto (Japan, 1968). | x | Article by Bergstroem-Nielsen describing compositional approaches with notation examples. | |
| Nunn, Tom (USA, 1946). | x | Downloadable comprehensive theoretical book on typical phenomena and processes of free improvisation and on terminology with which to describe them. | |
| Nyhuus, Pelle (DK, 2000). | x | Composition / game | |
| Osgood, Kresten (DK, 1946). | x | Interview about magical moments in improvisation - in Danish. | |
| Palacios, Fernando (ESP, 1952). | x | Collection of 26 graphically notated pieces for educational use. | |
| Polaschegg, Nina (Austria, 1972). | x | Article on the relation between improvisation and composition in the development of new music since the 1960s. | |
| Porfiriadis, Alexis (Greece, 1971). | x | x | Comprehensive collection of compositions with descriptive overview. A Ph D analyzing collective aspects of playing. |
| Raes, Godfried-Willem (BE, 1952). | x | Text on improvisation teaching methodology from 1998, revised 2020, and memories of Logos. | |
| Rasmussen, Henrik Ehland (DK, 1961). | x | A number of graphically/verbally notated compositions. | |
| x | Verbally notated scores. | ||
| x | Score consisting of graphic symbols and text. | ||
| x | Article on improvisation exercises for large groups. | ||
| x | Nature Study Notes (Cardew ed.) Improvisation rites. Anthology of text pieces and games. | ||
| x | x | Compositions with multilingual explanations. Article on notation in Spanish. | |
| Sterk, Peter (NL, 1957). | x | Verbally notated compositions. | |
| Stockhausen, Karlheinz (DE, 1928-2007). | x | Transscript from a discussion on Intuitive Music. | |
| Tetsu, Shiba (Japan, 1959). | x | Game pieces (English and Japanese). | |
| Wright, Jack (USA, 1942). | x | Essays on improvised music. | |
| x | Prose Collection. Verbally notated pieces. |