Ernesto Lecuona (1895-1963) was a Cuban composer and pianist whose work defined the sound of Latin music in the early 20th century. His gift for melody and sophisticated harmonic language made him one of the most performed composers of his era, with works that bridge classical training, Cuban folk traditions, and the emerging jazz idiom.
Lecuona's output spans piano works, songs, and orchestral pieces that remain staples in both concert halls and vocal studios. His compositions capture the rhythmic vitality and lyrical warmth of Cuban music while maintaining the craftsmanship of a formally trained musician. "Yo No Se Porque" exemplifies his ability to write memorable vocal lines over harmonically rich accompaniments.