Plot: From the Royal Albert Hall, the Rotterdam Philharmonic Orchestra, under their charismatic French-Canadian conductor Yannick Nezet-Seguin, bring a programme of ill-fated love to the BBC Proms. Tchaikovsky's fantasy overture Romeo and Juliet is followed by Wagner's Wesendonck Leider, a song cycle inspired by the composer's infatuation with the wife of one of his wealthy patrons