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MPB (Música Popular Brasileira) is a broad Brazilian popular music movement that crystallized in the mid-1960s after bossa nova. It blends samba and other regional rhythms with jazz harmony, singer‑songwriter craft, and elements of contemporary pop and rock. The style is marked by sophisticated melodies, extended harmonies, inventive arrangements, and lyrically rich songs that often use poetry and metaphor. Many classic MPB works balance intimacy (voice and violão/nylon‑string guitar) with lush studio orchestration, drawing from samba‑canção, choro, baião, and frevo while engaging modern influences. Historically, MPB provided a platform for social commentary during Brazil’s military dictatorship, with artists employing allegory to navigate censorship. It remains a living tradition that continually renews itself through new generations (“nova MPB”).

Música sinfónica designates large-scale orchestral music, typically written for a full symphony orchestra and articulated in several movements. It emphasizes thematic development, contrast of keys and textures, and idiomatic orchestration across strings, woodwinds, brass, and percussion. Historically, the term and practice grew out of the Italian opera overture or sinfonia of the late 17th and early 18th centuries (fast–slow–fast), which evolved into autonomous multi-movement works and the Classical symphony. From Haydn and Mozart through Beethoven, the genre became the central orchestral form. Romantic and 20th-century composers expanded its scale, color, and expressive range while retaining its core orchestral identity.