[ WP ] Real life has background music like videogames or movies . People learned how to take advantage of it really fast .

A black-clad figure lent out from their perch. Harmony absorbed the sounds of the city below, mixing with the varied backing tracks floating from the busy streets below. She held her eyes shut, isolating and examining each musical score before moving on. From the tones she knew that a couple two floors below were entranced by passion, the rhythm of the tune was soft but intense. A blasting bass echoed out from the gym across the street, naturally induced from the flowing adrenaline within. Harmony skipped from beat to beat, taking a few moments with each to ascertain its source. It was an inexact process, but one which the vigilante had spent years honing. 
 
 
 Minutes passed, perhaps even hours before one melody struck out. It was sharp, almost painful to hear, but distant. Harmony held her breath and pushed away at any interfering tones. Note by note the song was uncovered as each obstruction was removed from the score. Her heart began to thump in her chest, her hairs stood on end. She fought to control the fear which the music naturally invoked. 
 
 
 
 
 
 
 Fighting past the fear, Harmony jumped into action. She moved from rooftop to rooftop, her footfalls fought to be heard over the sound of the energetic crescendo which bellowed in the wind. The fearsome tune became louder as Harmony approached the source. Below in a dark alley a figure quivered back to a dead end. Before the quarry stood four burly figures, advancing with menace. 
 
 
 One looked around in confusion as the music changed. The high pitched creeks faded out, giving way to a tense steady beat. They knew the situation was changing, but not why. Harmony struggled with no such befuddlement as she fell upon the trailing figure holding the alley. He crumpled after being used as a break from the fall, but the sound was easily muffled by the now thudding bass. The tempo increased with the next two takedowns which ended with an elbow or leg sweep. The music reached its climax as the last of the gang turned to face her, fists held out in readiness. The tune matched their back and forth, perfectly anticipating each blow or dodge with an appropriate beat. A swift combination of feints and hits brought the fight to a swift end. As 
 
 
 Harmony surveyed the wide eyed quivering girl, she smiled hearing the thumping of the girls heart match her own. The backing changed to a rousing finale as the pair stepped over the defeated shadows. 

