Celebrating the 40th anniversary of the Hard Rock brand, Hard Rock Calling is an established London open air music event which showcases well known international acts, and a few legends over two days, and has a genuine festival feel to it.

2012 line up: Bruce Springsteen and The E Street Band, more tbc

2011 line-up: The Killers, Kaiser Chiefs, James, The Kills, The Heartbreaks, Bon Jovi, Ray Davies, Imelda May, Black Cards, Lissie, Gianna Nannini, Vintage Trouble, Ryan Bingham, Everline, Rod Stewart, Stevie Nicks,Adam Ant And The Good The Mad And The Lovely Posse, Rumer, Mike & The Mechanics, Train, Lighthouse Family, Barenaked Ladies, James Walsh