Sigurd von Koch (1881-1947) was a prominent Swedish composer and conductor, known for his contributions to classical music. His works often blend elements of Swedish folk music with contemporary classical styles, showcasing a unique nationalistic sound. Von Koch studied at the Royal College of Music in Stockholm and later in Germany, where he was influenced by composers like Richard Strauss and Gustav Mahler. Notable works include his orchestral pieces such as "Symphony No. 1" (1922) and "Symphony No. 2" (1931), as well as choral works like "Kyrie" and "The Last Judgment." He also composed operas, notably "Kärleken och tiden" (Love and Time). Von Koch's impact on music is significant in the context of Swedish nationalism, as he helped elevate Swedish musical identity during the early 20th century. His innovative orchestration and incorporation of folk elements laid the groundwork for future generations of Swedish composers. Although less known internationally, his work remains an important part of Sweden's musical heritage, reflecting the cultural shifts and identity of his time.