Jan Vriend (1939) studied composition with Ton de Leeuw at the Amsterdam Conservatoire, as well as piano and music theory. In addition he attended the electronic music course at the Institute of Sonology in Utrecht. In 1967 he received a government fellowship for studies with Iannis Xenakis at the Schola Cantorum in Paris, and workshops at the Groupe de Recherches Musicales (ORTF). Since 1970, he has studied mathematics and related sciences, primarily in view of their application in musical composition. In 1965 he and Peter de Buck founded ASKO, for which was conductor and artistic director until 1971. ASKO started out as a student orchestra of the two universities of Amsterdam, specialising in contemporary music, with an emphasis on the music of Xenakis, Webern and Varèse, and has since developed into the well known ASKO/Schönberg Ensemble. In 1971 he presented a radio-series on ‘different ways of listening to music’ together with Jos Kunst, with whom he also engaged in improvising experimental music for poetry readings and radio plays on Dutch radio. Jan Vriend received many prizes amongst which the first prize at the International Gaudeamus Competition 1970. In 1984 he moved to Gloucestershire – England, where he lives and works.