Ivar Frounberg has written orchestral works, works for large and small chamber ensembles as well as works utilizing interactive computer programs. In his compositions of recent years one finds a consistent musical concentration intended to heighten the listeners level of attention.
From 1986 to 1994 Ivar Frounberg was assistant professor in electroacoustic music and computer music and from 1994 to 2011 he was professor in composition at The Royal Academy of Music in Copenhagen.
Ivar Frounsberg served as music coordinator of the International Computer Music Conference in Århus in 1994 and as chairman of the ISCM World Music Days in Copenhagen in 1996. In 1995 he received the Danish State Arts Foundation's three-year grant for the second time in his career as well as the prestigous Carl Nielsen Prize.