What kind of slayage?

Rihanna started Calvin's career as a worlwide A-List producer. He had fans before Rih of course.

OMG I've been seeing Calvin Harris on MTV's dance music video playlist for YEARS.
Just because some of your musical references only extend to the Top 40 you think his career has just began...

It's clearly state in the OP that she helped him in the US... It's like David Guetta, Kelly Rowland made his US career but he was already big in Europe.

Still talking about her? I mean everyone knows she made you relevant but you don't need to repeat in every single interview the Lord has accepted your apreciation for ha now spread your wings and fly

I didn't even know who is he, until WFL came out. I thought he was up-n-coming.

I know, I wasn't talking about you

Of course. No one was checking for Ms. Harris before Rihanna came into her life.