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David Guetta has been producing hit after hit since 2001.  In 2011, Sia wrote "Titanium" for Guetta and recorded a demo for him - the song was originally planned for Mary J Blige to sing.  But "Titanium" was released with Sia's vocals instead, and became a HUGE mainstream smash, even being used in the movie Pitch Perfect.  

Last month in an interview, Sia said she was actually embarrassed Guetta released "Titanium" with her vocals because she felt it would ruin her credibility in the music scene, with how commercial the song was.

We got a chance to speak to David Guetta and asked him why he decided to do that.  "It came together so amazing, I was like 'oh wow!  I really really don't think anybody can beat this.  It's just impossible," Guetta says.  "I (made) the decision right away to keep it."

David's newest song "Lovers On The Sun" features Sam Martin and was co-produced by Avicii.  How did Guetta and Avicii start working together on the track?  They were playing each other's new music, and "It was a little bit by accident to be honest, " David says.  "I was like 'I have this song but it sounds a little bit too much like you, so I don't know if I can release it. (So) we decided to finish it together."

Does he ever plan on stopping?  And how does he want to die?!?  Yes, that actually comes up in conversation as we speak to the lengendary David Guetta. Check it out below:

Photo: Getty Images