The Orquestra Sinfônica Brasileira (OSB) is a prominent symphony orchestra based in Rio de Janeiro, Brazil. Founded in 1940, it has played a significant role in the country's cultural landscape, performing a wide range of classical music. The orchestra is known for its commitment to both traditional and contemporary works, showcasing the talents of local and international composers. The OSB performs regularly at the Teatro Municipal do Rio de Janeiro, where it attracts audiences with its diverse repertoire. In addition to concerts, the orchestra is involved in educational programs, aiming to promote classical music and inspire future generations of musicians and music lovers.