Sia
The back of a head has never been more interesting. The songwriter and singer phenomenon known as Sia is exemplary for something rare in the business: Rejectionism for a conventional music industry alongside extraction from it of mass appeal. See the comments:
Despite capsules like, Why Sia is a marketing genius…not a reluctant star, she can legitimately be both. Sia is smart enough to know it wouldn’t work if it wasn’t authentic. Her back to the audience you have no choice but to listen–what we once did with music–as you can’t see her. Her album debuts tomorrow.
business commentary 
Thanks for sharing this. In my opinion her song “Chandelier” is the best of 2014 so far. I’m certainly paying attention to any marketing ideas she presents 🙂
Hello–
I agree. As for marketing it doesn’t hurt that she has written for huge brands, some of whom may use their platforms and go on convincing record like this:
Spears has 38 million twitter followers.