Heinrich Esser (1882–1950) was a German composer and conductor known for his contributions to the choral and orchestral music of the early 20th century. Primarily associated with the genres of classical music and choral works, Esser's style reflects the influences of late Romanticism and early modernism. Notable works include his choral compositions, such as "Missa Solemnis" and various lieder, which showcase his skill in vocal arrangement and harmonic complexity. His orchestral works, including symphonies and concertos, further demonstrate his versatility as a composer. Esser's impact on music is particularly notable in the realm of choral music, where he helped to revitalize interest in traditional forms through innovative harmonies and structures. His work as a conductor also contributed to the dissemination of contemporary music in Germany during his lifetime. Despite being less known today, Esser's contributions laid groundwork for future composers in the German choral tradition, influencing the development of choral repertoire in the mid-20th century. His music continues to be performed in certain circles, reflecting his enduring legacy within the classical music community.