The Island Beats season takes place at the theme park between July 6 and August 30
Singer crashed his Mercedes into the back of another vehicle in London on Sunday (April 12)
'When A Man Loves A Woman' singer died yesterday (April 14)
The festival have added the likes of Florence + The Machine, Jamie T, Alt-J, Suede and Patti Smith to the bill
Pre-sales allow tickets to be purchased before going on general sale
Soul singer Sledge died at home in Louisiana
The 'Californication' star will release a folk-rock record in May