If you're ever wondering who holds the most industry power these days, it's epic songwriters—notably Sia Furler!
The songstress has rarely spoken up about her work, until now—and she's ready to dish unheard of details about some of today's biggest hits!
Take Beyoncé's powerful tune Pretty Hurts, for instance.
Sia revealed that she emailed Katy the track immediately, but never heard back—causing her to forward the song to RiRi's management, who never paid the rights fee…
After that, Yoncé stepped in to close the deal!
And when Miz Perry heard the track finished for the first time, she was pissed!
Sia said the Roar singer texted her: