The Longest River – An Arts, Music and Marine Science Fusion is a unique collaboration between Galway based choir Cois Cladaigh and the Marine Institute, Ireland. The event was presented at Eglise du Saint-Sacrement, Brussels as part of the celebration of Ireland’s Presidency of the Council of European Union in April 2013. The Longest River promotes marine science, research and development through ocean literacy and music and was orated by John Delaney, University of Washington. The Longest River event was supported by Culture Ireland, Tourism Ireland and was under the patronage of both Ms Maria Damanaki and Ms Máire Geoghegan-Quinn, Members of the European Commission.