Final answer:
Rio de Janeiro is the answer to the haven for samba music, known for its vibrant cultural scene and its celebrated Carnival, which features music and dance including samba.
Step-by-step explanation:
The haven for samba music is d) Rio de Janeiro. This vibrant city is not only a hub for international travel and business but also a place deeply connected to cultural celebrations like Carnival, which features parades and music prominently including samba. Rio de Janeiro's cultural heritage is immensely rich, drawing from a history of migration and diversity, contributing to its reputation as a center for the arts. Carnival is arguably the most famous festival, but the city's everyday cultural scene is also pulsating with the rhythms of samba, a musical genre and dance that originated in Brazil.
Beyond being a mecca for fashion and international events, Rio de Janeiro exudes an atmosphere alive with Brazilian culture, making it a key destination for those looking to immerse themselves in the traditions and music of Brazil. The city's impact on the world stage is significant, having hosted major global sports competitions such as the FIFA World Cup and the Summer Olympics which further highlight its cultural prominence.