A national ballot was held between 10 and 28 February to distribute 5,000 pairs of free tickets for the public based on the geographical spread of the UK population.[9] The concert featured performances from artists including The Household Division Orchestra of the British Army conducted by Lt Col David Barringer MVO MBE, Katy Perry, Lionel Richie, Andrea Bocelli, Sir Bryn Terfel, Alexis Ffrench, Zak Abel, Take That featuring Robin Schulz and Calum Scott, Paloma Faith, Tiwa Savage, Steve Winwood, Lang Lang, Nicole Scherzinger, Olly Murs, Pete Tong, and Sonam Kapoor.[10][11] Tom Cruise, Dame Joan Collins, Winnie-the-Pooh, Piglet, Kermit the Frog, Miss Piggy, Sir Tom Jones, Hugh Jackman, Alan Titchmarsh, Richard E. Grant, Pierce Brosnan, Bear Grylls, Dynamo, Tracey Emin, Giovanna Fletcher, and Oti Mabuse appeared in a series of pre-recorded sketches and segments.[15] During the performance of the Simple Minds song "Don't You (Forget About Me)", by Alexis Ffrench and Zak Abel, colourful drone displays took place above the stage at Windsor and at other venues across the country.The drones formed together to create different animals and moments in nature, including a blue whale, a bumblebee, a butterfly, a heron and a rabbit.