Alfonso Leng (1910-2004) was a prominent Chilean composer and conductor, renowned for his contributions to classical music and popular song in Latin America. His genre-spanning work includes classical compositions, film scores, and popular music, making him a versatile figure in the Chilean music scene. Leng's notable works include "La Bamba," a popular song that has been covered by various artists, and "Cien Años," which reflects his ability to blend traditional Latin rhythms with contemporary styles. He also composed music for Chilean cinema, further showcasing his impact on the arts in his country. Throughout his career, Leng was instrumental in the development of Chilean music, fostering a unique identity that combined European classical influences with indigenous and folk elements. His work helped to elevate the status of Chilean composers on the international stage and inspired future generations of musicians. Leng's legacy continues to resonate in both classical and popular music, as he laid the groundwork for a rich cultural dialogue in Latin American music history.