Brexit will never be done. Because it can never be done. Not for as long as the UK sits 50km off the European mainland and does 50% of its business with Europe. Not when the island of Ireland sits behind it – and the north east corner of that island is contested political ground.

British orchestras tour widely in the EU – and when we leave, they will probably need work permits and special social security and health insurance arrangements, as well as facing delays at the border. / Membership of the single market and the customs union has been hugely beneficial in enabling British orchestras to tour across Europe