 Before the show ends , the DJ starts to rise from the front @-@ middle of the stage . Before quietly exiting , the performers use water drums . The show concludes with fireworks and pyrotechnics over the stage while " Firework " by Katy Perry , " Raise Your Glass " by P ! nk and " Party Rock Anthem " by LMFAO are played . The DJ then starts playing dance music and people can text shout @-@ outs that appear on the screens . Another DJ works from the balcony of the Ballroom in the Coliseum along the main midway . 
