"Sweep 15" is an audioscape that immediately immerses the listener into a sci-fi setting. The audio begins with an abstract noise, reminiscent of the distant hum of a spaceship or the pulsating energy of an alien device. Suddenly, there's a hit, a metallic clang, as if something large and heavy has made contact with a cold, steel surface. This hit resonates, morphing into a sweeping, whooshing sound that echoes, signifying a transition. The sound intensifies, creating a sense of opening or unveiling. As it progresses, a dark undertone pervades, adding an eerie, suspenseful layer to the audio, reminiscent of exploring uncharted territories in the vast expanse of space. The audio ends leaving behind an echoing resonance, a promise of what's next to come in this thrilling sonic journey.