music mogul Dr Dre could be the first billionaire in dollars.reports from various media houses in America says his beat by Dre headphones is about. to be bought by Apple for about $3.4billion . the beat by Dre electronics was founded by Dr Dre and jimmy iovine. Dr Dre is not just an entertainer but he is also a business man with a lot of brains.the recent list published by Forbes puts Sean piddy combs as the richest entertainer, a video posted by tyrese Gibson says that Forbes need to reshuffle the list.the 49year old rapper and producer real name Andre young co founded beats electronic with jimmy iovine in 2008.the good doctor is presently worth $550m. He co-founded Beats, but last year Carlyle Group acquired a minority shareholding for $500m. His present stake is thought to be somewhere between 20 and 25%