All Night (전화해)

Late-night longing gets a bright, clean production treatment here — ASTRO's signature sound in this era leans into a kind of nostalgic warmth, synths that shimmer rather than pulse, a tempo that swings gently like a porch light you keep checking. The instrumental palette is soft-edged: layered synths, a bass that walks rather than drives, percussion that fills space without dominating. What the track captures is that very specific late-night mental state of wanting to call someone but not quite doing it yet — the phone already in your hand, the thought of their voice enough to keep you awake. ASTRO vocally excels at combining youthful energy with genuine tenderness, and "All Night" splits that difference cleanly: bright enough to feel alive, gentle enough to feel vulnerable. The call-and-response structure between members builds a sense of collective longing, as though everyone in the room is missing the same person. The song belongs to that particular K-pop tradition of nocturnal ballad-pop, lighter than a full ballad but carrying more emotional weight than a pure dance track. It's a 1 a.m. song — the lights low, the city outside your window still making noise, everything suddenly feeling both very far away and very close.