G.R.B.C. Imperatriz Iguabense formed in Iguaba Grande in 1984. They're a samba enredo group, which means their songs typically tell stories about historical or cultural themes. Luiz Carlos dos Santos has been involved as a maestro.
Their 2011 track 'Samba Enredo 2011 - Iguaba Grande Encanta a Corte Imperial' focuses on local history and connections to the Portuguese Imperial Court. The group has performed at samba enredo competitions and festivals in Brazil.
Other members have included Marilene dos Santos on vocals, Evandro dos Santos as a composer, and Paulo César dos Santos on percussion. Their lyrics sometimes address social or political topics, which has drawn mixed reactions over time.
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