Anyone is allowed to participate in the street festivals. Bandas are very familiar with the street carnival especially because it takes nothing to join in on the fun except to jump in. One of the most well known bandas of Rio is Banda de Ipanema.
Street festivals are open to anyone who wants to participate. Bands are particularly adept at street carnivals, as joining in is effortless and enjoyable.  Banda de Ipanema is one of the most famous bands from Rio.