Lol i read the complete interview here : http://www.rollingstone.com/music/features/sias-reject-opus-songwriter-on-reclaiming-adele-rihannas-unwanted-hits-20151203?page=6

Sam hiding that Sia said working with bey is like a writing camp where she flies producers and writers and put them together in a house ...and then she visit each room saying what she like or not ...
And yall are saying she write song or something ...she isnt better than rih actually ... she just ride jay z d...all day thats why she get better traitemnt thats all