The Escritório Central de Arrecadação e Distribuição (also known as ECAD; can be translated as Central Bureau for Collection and Distribution) is the national copyright collection agency in Brazil. It is made up of six partner organisations: BRAMUS, AMAR, SBACEM, SICAM, SOCINPRO and UBC, as well as associate member organisations ABRAC, ANACIM, ASSIM and SADEMBR. ECAD also produce a Radio Ranking of music based on radio airplay.