Ernst Isler (1895-1967) was a Swiss composer and conductor known for his contributions to choral and orchestral music. His work primarily falls within the genres of classical and contemporary classical music. Isler's music often reflects a blend of traditional Swiss folk influences with modernist techniques, showcasing his deep connection to his cultural roots. Notable works by Isler include his choral compositions, such as "Missa Brevis," which exemplify his skill in vocal writing and his ability to convey emotional depth through music. He also composed orchestral pieces and chamber music, contributing to the repertoire of 20th-century classical music. Isler's impact on music is particularly significant in the realm of choral music, as he helped to elevate the standard of Swiss choral compositions and encouraged the integration of folk elements into classical forms. His works remain a part of the Swiss music canon, and he is remembered for his role in fostering a national musical identity during a time of great change in Europe. His legacy continues to influence contemporary Swiss composers and choral ensembles.