The singer and rapper opens up in a clip from Netflix’s This Is Pop.

In the video above, he recalls, “Usher was my friend.

I really respect Usher.

T-Pain and Usher

T-Pain and Usher.

And he said, ‘I’m gonna tell you something, man.

You kinda fed up music.'”

TheMasked Singerseason 1 winner (we miss you, Monster!)

says he thought Usher was joking at first, so he laughed.

“I was like, ‘What did I do?

I came out and I used Auto-Tune.’

He was like, ‘Yeah, you fed it up.’

I’m like, ‘ButIused it, I didn’t telleverybody elseto start using it.'”

This Is Popis an eight-part series exploring untold stories from some of the biggest moments in pop music history.

The series will be released in full June 22.