4/8. The Lark Ascending. Skylark populations across the UK have crashed over the last 30 years; their fabulous song is heard much less nowadays as a result of changes in the way we farm. But this rural icon, celebrated by poets and musicians for centuries, may now be on the point of recovery thanks to painstaking research and the introduction of new agricultural payments. Brett Westwood reports. Producer Julian Hector Repeated tomorrow at 11am