Rockers Bon Jovi will launch a new London music concert line-up in Hyde Park this summer (13) after famous festivals Wireless and Hard Rock Calling were both moved from the central venue to the Olympic Park site in the east of the city. Jon Bon Jovi's band will headline a massive gig in Hyde Park on 5 July (13) as part of the new Barclaycard British Summer Time concert series. Other acts on the bill are yet to be announced.