Sabesp marketing department has difficulties to change their old fashion visual identity as the decision makers are all from the government and it evolves political issues. They got in touch with Sound Branding and understood that it could be a way for them makes the change that the Brand needs. They invited Zanna Sound to develop Sabesp Sound Branding. At the Audio Branding Congress 2011 in New York, Zanna presented how they developed the Sabasp Sound Branding.