Alan Hovhaness's Mysterious Mountain is one of his best-loved works, a symphony of spiritual transcendence and the perfect foil to Strauss's grandly ambitious Alpine adventure. With chief conductor Sakari Oramo leading the ascent, allow the BBCs Symphony Orchestra to transport you where the air is rarified. Following this double-bill, Colin Currie will premiere Andrew Norman's Switch. Dubbed 'the world's finest and most daring percussionist' Currie is a startling talent in charge of a startling work. The Barbican at it's peak. Over 5s only. Valid ID may be required.