Rapper explains that 'Decoded' will show the 'social and political' thought behind rap music
'The Hits Collection Volume 1' is due out on November 23
Rapper beats the likes of P Diddy and Kanye West by banking $63 million in the last 12 months
Jay-Z spoof found to violate copyright laws
'Decoded' will also include detailed discussions of some of the rapper's most famous lyrics
Rapper makes his first apperance at the event
Plus Lily Allen declares festival will be her 'Last gig in London'
Company say the rapper failed to pay a $137,000 bill
Rapper headlines first night of 2010 event
'The Hits Collection Vol.1' is released in June