The Barbican Centre presents music to help us process the erosion of the natural world. The series in the concert halls and conservatory includes: The Hermes Experiment collaborate with sound artists Monthati Masebe, Kathy Hinde, Sandeep Bhagwati, Bint Mbareh and Martha Hincapié Charry (7 December, noon, 2:30pm and 5pm), Julia Wolfe’s unEarth (23 January) and Lemi Ponifasio’s Sea Beneath The Skin (2 February). London Barbican Centre, various times and prices.