London 2012 Festival: the opening events Where: Stirling, Scotland Gustavo Dudamel conducts the 200-strong Simon Bolivar Symphony Orchestra of Venezuela in an open-air concert set against the backdrop of Stirling Castle. They will be joined by young people from the Raploch estate who have been given free music tuition as part of the Big Noise charity initiative. The concert will be screened on BBC Four and BBC Radio Scotland. Tickets: available On The Night Shift Where: Lake Windermere, Cumbria A spectacular fireworks display involving musicians and pyrotechnicians from the French street art company Les Commandos Percu. The event will coincide with the arrival of the Olympic Torch Relay on the shores of the lake. Tickets: free event, no tickets required Sacrilege Where: Carmarthen, Wales Sacrilege is the name of Jeremy Deller's life-sized, inflatable replica of Stonehenge, billed as "a bouncy castle for adults and children alike." The "pop-up" installation will be situated at the National Botanical Gardens in Carmarthen on the opening day of the festival before moving to other locations around the country. Peace One Day Where: Londonderry, Northern Ireland This music concert at Ebrington Square, a former parade ground, features Pixie Lott, Imelda May, Newton Faulkner, Guillemots and local band Wonder Villains. Jude Law will compere the event, which marks the beginning of a three-month countdown to "Global Truce on Peace Day" on September 21. The concert will be streamed live at www.youtube.com/peaceoneday Tickets: Sold out Weltethos Where: Birmingham Edward Gardner conducts the UK premiere of Weltethos, British composer Jonathan Harvey's choral work exploring common values between different faiths and traditions. The work will be performed by The City of Birmingham Symphony Orchestra and narrated by actor Samuel West.