Andreas Hallen (1846-1925) was a Norwegian composer and conductor, primarily associated with the Romantic music genre. He was born in Skien and studied at the Royal Academy of Music in Copenhagen. Hallen's work is characterized by its lyrical melodies and rich harmonies, reflecting the influence of both Norwegian folk music and broader European Romanticism. Notable works by Hallen include orchestral pieces, chamber music, and songs, with "Symphony in E minor" and "Concerto for Piano and Orchestra" being among his significant compositions. He also contributed to the development of Norwegian choral music, with several choral arrangements that remain popular in Scandinavian music circles. Hallen's impact on music lies in his role as a bridge between traditional Norwegian folk music and classical forms, helping to shape a national identity in music during a time of burgeoning nationalism in Norway. His works are appreciated for their emotional depth and craftsmanship, and he played a vital role in the cultural life of Norway by promoting music education and performance during his lifetime. While not as widely recognized internationally, Hallen remains an important figure in Norwegian music history.