Robert Plant was always my favorite singer-and he's said nice things about me, you know.

A lot of people would like to sing like Bing Crosby, but very few could match his phrasing or depth of tone. He's influenced every real singer whether they know it or not. I used to hear Bing Crosby as a kid and not really pay attention to him. But he got inside me nevertheless.

The colored folks been singing it and playing it just like I'm doin' now, man, for more years than I know. I got it from them.

I have so many playlists full of Rihanna, Nicki Minaj, Lil Wayne, Chris Brown.

I'm in awe of McCartney. He's about the only one that I am in awe of. He can do it all. And he's never let up...he's just so damn effortless.

I think Kenny Chesney or Garth Brooks would be the coolest duet partners. I look up to them so much for their work ethics.