We do not know, in most cases, how far social failure and success are due to heredity, and how far to environment. But environment is the easier of the two to improve.
When we play 'Angel of Death', it's actually a 2 and half minutes sing 'til our party starts. That song is pretty much been played traditionally in the end.
I think for a lot of so-called post-colonial peoples, there's a feeling of not being quite legitimate, of not being pure enough.

