Duarte Lobo (c. 1560–1640) was a prominent Portuguese composer of the late Renaissance, primarily known for his sacred choral music. His work is characterized by intricate polyphony, a hallmark of the period, and he is often associated with the development of the Portuguese school of music. Lobo served as a maestro at the Cathedral of Évora and was influenced by both the Spanish and Italian musical styles of his time. Among his notable works are several masses, motets, and hymns, with "Missa de Beata Virgine" being particularly acclaimed. His compositions often showcased a rich harmonic language and emotional expressiveness, placing him among the leading figures in the transition from Renaissance to Baroque music. Lobo's impact on music is evident in his contributions to the Portuguese choral tradition, which would influence later composers in the region. His works were integral in the establishment of a distinct national style, and they continue to be performed and studied, reflecting the enduring legacy of Renaissance choral music in Portugal.