Generate a music composition prompt according to low valence and high arousal levels:

Compose an intense and gripping music piece that evokes feelings of unease and urgency. Incorporate dissonant harmonies and fast-paced rhythms to create a sense of urgency and tension throughout the composition. The music should build steadily in intensity, climaxing in a moment of visceral and unsettling emotion before resolving in a haunting and unresolved manner.