Malik Bendjelloul — Swedish Director born on September 14, 1977, died on May 13, 2014

Malik Bendjelloul was a Swedish documentary filmmaker, journalist and former child actor. He directed the 2012 documentary Searching for Sugar Man, which won an Academy Award and a BAFTA Award... (wikipedia)

Success is not only one thing. It's not only having a nice house in Beverly Hills and driving a nice Mercedes.
I don't think 'Sugar Man' is a music doc any more than 'The Social Network' is about computers. It just happens to have the best soundtrack ever.
There's nowhere like Detroit; it's a modern necropolis: all these art deco masterpieces crumbling away.
I think music docs could turn off some people.
If you're an artist, you're an artist; that's the only way I can explain it.