Soru

Julian stood in the wings of the grand concert hall, his fingers tracing the polished mahogany of his cello. In less than three minutes, the heavy velvet curtain would rise, exposing him to an audience of hundreds of expectant listeners, critics, and peers. The air in the backstage area was thick with the scent of dust, floor wax, and stage makeup, and the low hum of the crowd filtering through the barrier sounded like a distant hive of bees. His heart hammered a frantic, irregular rhythm against his ribs, each pulse a reminder of the immense pressure resting on his shoulders tonight. This debut performance was the culmination of four years of intense, grueling study at the conservatory, and any slip of his bow or slight hesitation in his finger placement could ruin his prospects in an instant. The ticking clock on the wall seemed to speed up, its hands sweeping forward with relentless velocity. He remembered the countless late nights in the practice rooms, the blisters on his fingers, and the demanding corrections of his instructor, all of which now seemed to press down on him at once.

To calm his racing thoughts and escape the suffocating anxiety of the present moment, Julian closed his eyes and breathed in deeply. Instantly, the noise of the backstage area faded, and his mind drifted back to a quiet summer afternoon ten years ago on the rocky coast of Maine. He was only eight years old, sitting on a weathered wooden dock with his grandfather. The old man held a simple, hand-carved wooden flute, playing a slow, wandering melody that seemed to rise and fall in perfect synchronization with the gentle lapping of the tide. 'Music isn't about playing every note perfectly, Julian,' his grandfather had said, his voice soft against the calling of the seagulls. 'It's about finding the space between the notes. If you rush, you miss the quiet beauty of the silence.' On that sunny dock, time had seemed to stretch out endlessly, far removed from the frantic demands of schedules, rehearsals, and expectations. Julian remembered the warmth of the sun on his face and the absolute stillness of the water, a stark contrast to the chaotic energy of his current life. They had sat there for hours, the music blending with the natural sounds of the wind and waves, creating a memory of peace that Julian had locked away.

The sudden, sharp click of the stage manager's walkie-talkie snapped Julian back to the present reality. The stage manager gave him a brief nod, gesturing toward the center of the stage. The velvet curtain began to glide upward with a soft hiss, revealing the vast, darkened hall filled with waiting faces. Taking a slow, deliberate breath, Julian stepped out into the bright, blinding warmth of the spotlights. The applause washed over him like a wave, but as he seated himself and positioned his bow, the noise faded. He recalled his grandfather's words about the space between notes. As he drew his bow across the strings to play the opening notes of the sonata, the frantic pacing of his anxiety dissolved, replaced by the steady, measured rhythm of the coastal tide. Each note flowed with deliberate patience, carrying the quiet calm of the dock into the crowded hall.

Based on the passage, what is the primary function of the flashback in the second paragraph?