In Japan, English Christmas songs are popular and you will hear them everywhere during the holiday season. As for Japanese Christmas songs, "Christmas Eve" by Tatsuro Yamashita is considered one of the standards. The song is about a man thinking of a girl on Christmas Eve, which in Japanese tradition, is a time for a couple to spend a romantic evening together. The song was released in 1983, but it became a huge hit when it was used in a commercial for the Shinkansen "Christmas Express" bullet train in 1988. New versions of the commercial were made and broadcast every year during the Christmas season until 1992. Here is the song, "Christmas Eve" in Japanese, with a romaji translation. The song is also in English, though the lyric are not literally translated from the Japanese version.