夏色

"夏色" is pure Yokohama street-corner energy pressed onto a record — the song that carried Yuzu from busking outside Matsumoto Kiyoshi to national ubiquity, and it never loses that sidewalk immediacy. Two acoustic guitars, a harmonica, hand-clap-adjacent percussion, and almost nothing else; the arrangement is so lean that the strumming itself becomes the drum kit, and the tempo pushes forward like someone pedaling downhill. Kitagawa's lead is bright and slightly nasal, Iwasawa's harmony sits a third above and never lets go, and the two voices lock in that unmistakable folk-duo blend that makes the whole thing sound like a live take even when it isn't. The lyric is one small scene stretched to full size: a bicycle, a long slope, a girl on the back seat, and a boy narrating his own nerve as he decides to let the brakes go. Nothing happens beyond that descent, which is exactly why it's lasted — it's the physical sensation of teenage summer, the wind and the terror and the boastfulness, with no adult commentary layered on top. In Japan it became a graduation-season and karaoke standard, a song schoolchildren learn on recorder. Ideal listening: windows down, first genuinely hot day of the year, sung badly and loudly with someone you've known since you were fifteen.