[2] His style combined contrapuntal textures, melodies and harmonies drawn from the medieval church modes, and the angular rhythms and meters of the 20th century.
Many of his works, including five of his seven Orgelkonzerte (organ concertos), are based on Lutheran chorales.
Beginning in 1938, he directed the Kirchenmusikschule der Hamburgischen Landeskirche (Hamburg's regional church music school).
[1] In 2002, Brian Eno produced an album,18 Keyboard Studies by Hans Friedrich Micheelsen.
Roger Eno recorded several of Micheelsen's preludes and short chorale-based works, which Brian then processed to create "a sort of analogy of the variety of organ stops.