Donisha Prendergast would probably not need an introduction if you met her. She bears such a striking resemblance to the late great legendary Bob Marley that you would probably guess that she is his granddaughter. Not only does she resemble him physically, but also in spirit which is why she is helping to spread his legacy of ‘One Love.’ One of the ways that she is doing this is through her signature documentary film ‘Rasta: A Soul’s Journey,’ which recently debuted in Montreal.
Source: African Diaspora Tourism (check out the site)
I don't know if this is the "official" trailer but here is a bit of background
and here is the link for the website with lots and lots of info and pictures