Henri Casadesus (1879-1947) was a French composer, violist, and conductor, known for his contributions to classical music, particularly in the realms of chamber music and orchestral works. He was part of a notable musical family; his father was the violist and composer, and his brother, the pianist and conductor, both of whom influenced his musical development. Casadesus is best known for his arrangements and adaptations of Baroque and Classical repertoire, as well as for his original compositions, which often reflect neoclassical influences. Notable works include his "Concerto for Viola and Orchestra" and various chamber pieces that showcase his mastery of string instruments. His impact on music is twofold: he played a significant role in reviving interest in earlier music through his transcriptions and adaptations, and he contributed to the 20th-century classical music scene through his own compositions. Casadesus was also influential as a teacher, shaping the next generation of musicians. Although he is not as widely recognized today, his work remains valuable for its blend of historical reverence and contemporary sensibility.