The audio track titled "March 12, 2010 - Version 4" begins with the faint jingling of keys, creating a sense of anticipation. This sound is reminiscent of someone returning home after a long day, the metallic clinks echoing in a quiet hallway. The keys are then inserted into a lock, the mechanism turning with a distinct, satisfying click. Following this, the creaking sound of a door opening fills the atmosphere, its timbre suggesting a heavy, wooden door. It's a familiar homecoming sound that immediately evokes feelings of warmth and comfort. The foley effects are expertly crafted, creating a vivid soundscape that's both familiar and intriguing. The audio track concludes with the subtle yet noticeable sound effect of a door closing and being locked, signifying the end of the journey. This atmospheric audio track successfully transports the listeners, with its everyday sounds, to a place of nostalgia and familiarity.