On December 1st 1990, watched by the world’s media, construction worker Graham Fagg of Dover climbed through a hole in a chalk wall 40 metres below the seabed of the English Channel, shook the hand of Philippe Cozette of Calais and shouted, Vive la France! On June 23rd 2016, Britain voted to leave the European Union. Inspired by a message for motorists on Eurotunnel trains, Song for Europe is an underwater celebration of Britain’s connection to the mainland.