Joseph Antonio Emidy was an African slave who became a violinist in the opera orchestra in Lisbon. Enslaved again by the British Navy, he fought in the Napoleonic Wars until put ashore in Falmouth where he became a successful composer. Playwright Nick Darke pieces together his remarkable story. With contributions from historian Richard McGrady , composer Tunde Jegede , slavery expert Nancy Naro and the descendants of Emidy. Producer Julian May