noun
station melody; departure melody
A short melody played at train stations, typically just before doors close, to signal departure. Common in Japan.
この駅の駅メロは有名な曲のアレンジです。
This station's departure melody is an arrangement of a famous song.
駅メロが流れると、みんな急いで電車に乗り込む。
When the station melody plays, everyone hurries onto the train.