Carl Bergstrøm-Nielsen (b. 1951) has composed for variable ensemble with different types of openness in notation and room for improvisation in addition to electronic/electroacoustic music. He participated in the Group for Alternative Music 1971-77 and worked at the npw closed-down Holstebro Electronic Music Studio (HEMS), Denmark, in 1971 and 1975. Carl Bergstrøm Nielsen holds a Cand. phil. degree in music from the University of Copenhagen in 1984.