"The Old Apartment" tells the story of someone revisiting a past home, driven by a deep sense of nostalgia. Though the apartment itself held disadvantages like "broken glass" and a "crooked landlord," the song's narrator, now happy and settled in a new home with his partner, feels compelled to break in and relive those "fading memories." It's a journey back to a place where he and his girlfriend once lived, reflecting on how those old experiences blend into a "dull tableaux" over time. This song plays like a bittersweet echo of a past self, wrapped in the comfort of present contentment.