Folk musicians come together in what have been called 'the greatest backporch shows ever', as Shetland fiddle virtuoso Aly Bain and dobro ace Jerry Douglas host a Highland gathering of the cream of Nashville, Irish and Scottish talent. Alison Moorer, Karen Casey, Dan Tyminski, Liam O'Maonlai, Stuart Duncan, Ronan Browne and Allan MacDonald are among those featured.