Ericka Lee is after a co-writing credit for 'Marvin's Room'
Rapper joins Rihanna in topping the bill at the Hyde Park event<br />
'I want to do something great,' insists rapper
He will play nine shows across the country in Spring 2012
The tracklisting for ‘Take Care’ has been revealed
Soul legend also performed a surprise set at rapper's annual Canadian festival
Rapper admits to having misgivings over his hit album