Božidar Širola (1914–1987) was a Croatian composer and conductor, recognized for his contributions to the classical music genre, particularly in the field of choral and orchestral music. A significant figure in the Croatian music scene, Širola was also a prominent educator, influencing a generation of musicians through his teaching. Notable works by Širola include his symphonic pieces, such as "Symphony No. 1," as well as numerous choral arrangements and folk-inspired compositions. His music often reflects the cultural and historical context of Croatia, incorporating elements of national folklore and traditional melodies into his compositions. Širola’s impact on music extends beyond his compositions; he played a vital role in promoting choral music in Croatia and was instrumental in the establishment of several music institutions. He was also a member of the Croatian Academy of Sciences and Arts, further solidifying his legacy within the Croatian cultural landscape. His work continues to be performed and studied, contributing to the ongoing appreciation of Croatian classical music.