Born 3.9.1931
Kelterborn was born in Basel and educated at the Basel City Music Academy (theory and composition with, amongst others, G. Guldenstein and W. Geiser, and conducting with A. Krannhals) and at the University of Basel (J. Handschin). His postgraduate studies continued with G. Bialas, W. Fortner (composition) and I. Markewitch (conducting). For several years he taught music theory, analysis and composition at Basel Music Academy (1955-1960), at the North West German Academy, Detmold (1960-68, 1963 appointed as professor), at Zurich Conservatoire and Music College (1968-75 and 1980-83), and at Karlsruhe Music School (1980-83). Between 1974 and 1980 he was director of Radio DRS music department, and between 1983 and 1994 director of Basel Music Academy. He has also been guest conductor mainly for his own works, published writings on music theory, and been guest lecturer in the USA, England, China and Japan. For his compositional output, he has received several awards (amongst others the Swiss Composers' Prize of the Musicians' Association 1984, The City of Basel Arts Prize 1984). His works embrace all genres, and have achieved international recognition. Worth mentioning here are his operas: “An Angel Comes from Babylon” (Premiere 1984), “Ophelia” (Premiere 1984), “The Cherry Garden” (Premiere 1984), the ballet “Relations” (Premiere 1975) and especially the symphonies I-IV (Premiere 1967, 70, 76, 87), the “Ensemble-Bücher” I, II, III and five string-quartets. Adress / Lists of works: Schweizer Musikarchiv Zürich (SUISA) Bärenreiter-Verlag Kassel/Basel Verlag Bote und Bock, Berlin Edition Modern Karlsruhe
Web: http://www.musicedition.ch