Generate an intense and thrilling music piece that evokes a sense of urgency and anticipation by building up tension and energy throughout the composition. Experiment with fast tempos, dynamic rhythms, and dissonant harmonies to create a sense of unease and excitement in the listener. Focus on incorporating dramatic crescendos and sudden shifts in dynamics to enhance the emotional impact of the music. Feel free to explore different musical techniques and instruments to convey the desired low valence and high arousal levels in your composition.