All the BBC World Service music podcasts gathered into one place. New documentaries will be added intermittently. Only available in the UK.
http://www.bbc.co.uk/programmes/p02nrwqn
The Song House
It is hard to believe that the strange, exuberant sound of Gaelic psalm-singing is a European, let alone British form of worship. It has been likened by some to Ethiopian Orthodox chant and cited by others as the root of gospel music. Yet beyond the handful of congregations that keep this centuries-old tradition alive, Gaelic psalm-singing is little known.