Small Changes is a podcast series of one-on-one interviews with people who've seen a problem in the world and set out to change it – often in small and unexpected ways
https://www.theguardian.com/global-development/series/global-development-podcast
'Dance has done so much for me': the leader of Kenya's slum ballet school
Mike Wamaya discusses how performing ballet helps children transcend the chaos and violence of life in Kibera