sentences:  Sixteen channels of Sennheiser G2 wireless monitors were programmed to ensure that performers could hear what was being played amidst fervid screams from the audience.Sennheiser 500 series wireless guitar and bass systems were also used.The main show started with Cyrus descending onto the stage in a neon pink cube that bore a digital image of her silhouette, as pink fireworks were fired behind her.