"With culture you're also measuring the contribution to the human soul, " says Prof Joe Goldblatt, executive director of Queen Margaret University Edinburgh's centre for planned events.

BBC: Scottish cities compete for culture capital title

The deputy first minister unveiled Hollywood film producer Iain Smith, award-winning chef Roy Brett and events expert Prof Joe Goldblatt to back her argument that Scotland should be confident "on a global stage".

BBC: Scottish Independence: 'Full levers' call for economy