Ingvar Natanael Lidholm (born 24th Feb, 1921) is a Swedish composer. Ingvar Lidholm was born in Jönköping. He was a pupil of Hilding Rosenberg from 1943-45, becoming a viola player with the Royal Swedish Opera Orchestra. Having been awarded the Jenny Lind Fellowship for 1946-7, he travelled to France, Switzerland and Italy. He was musical director of the "Orebro Orchestral Society" from 1947 to 1956. "Mutanza" was written in 1959 for the society.