United Kingdom, Sept. 16 -- Mark Ronson felt "deeply unnerved" by Sean 'Diddy' Combs when he used to DJ at the shamed rap star's parties in New York.

The 50-year-old music producer used to be a regular behind the decks and worked at plenty of Combs' events over the years, but he's insisted the hip-hop mogul - who has been convicted of two counts of transportation to engage in prostitution - barely spoke to him and had no idea about the "horrific allegations of what was also going on beneath the surface".

In his new memoir Night People: How to Be a DJ in '90s New York City, Ronson writes: "For all the gigs I played for Puff [Combs], he probably spoke five sentences to me.

"But even to me, the DJ, he emitted a chaotic energy that left me...