Calling Festival (formerly Hyde Park Calling and Hard Rock Calling) was an annual music festival, formerly held in Hyde Park, London, from 2006 until 2012, and from 2013 in Queen Elizabeth Olympic Park, London. In September 2013, Hard Rock International announced that they would no longer be sponsoring the festival; however the event returned in 2014 and 2015 under the name Calling Festival at the Clapham Common.