Professor, music teacher.
Jon studied at the College of Music, where his teachers were the main Arni Kristjansson, dr. Victor Urbancic and Jon Þórarinsson. The successful completion of Music postgraduate studies at the Royal Scottish Conservatoire in Glasgow and the Guildhall of Music in London. In addition composition has Jon lecturer jobs, most of Iceland University of Education, who was appointed professor of music, 1996.
Ásgeirsson attended the first works, National level, Lilja and ancient dances material of Icelandic folk songs, but also worked as a folk unprecedented exposure for either its instrumental groups or choirs, and kórútsetningar his entry into a special place among Icelandic kórbókmennta. Among the major works of Jon are festivals Þrymskviða magic-air, Ballet Blind licking, Sjöstrengjaljóð for string orchestra and Concerto for cello and horn. Among Song Jon Act include class black organza and Jon songs from the game making history Laxness poet's house, Maístjörnuna, Vorvísu In calm and fog. Opera Magic-air, based on the eponymous play Jóhann Sigurjónsson was premiered at the Reykjavik Arts Festival in 1996.