   (occasionally credited as tatsu yamashita or tats yamashita, born february 4, 1953) is a japanese singer-songwriter and record producer. yamashita is best known for the song "christmas eve", which initially appeared on his album melodies in 1983 and later became a hit throughout the decades.list of number-one singles on the japan's oricon weekly charts (1968-) it is considered one of the standard japanese christmas songs, winning the special prize at the 45th japan record awards 20 years after its release. == career == in 1973, yamashita formed the band sugar babe with the musicians including taeko onuki and kunio muramatsu, and released their sole album songs two years later.{{cite web|url=http://music.yahoo.co.jp/shop/p/12/22606/ |title = yahoo!ãã¥ã¼ã¸ãã¯ - sugar babe - ã¢ã¼ãã£ã¹ãæå ±| trans_title= yahoo!music - sugar babe - artist information|work= music.yahoo.co.jp|publisher= listen 
1953_births Japanese_male_singers Japanese_pop_singers Japanese_record_producers Japanese_singer-songwriters Living_people Musicians_from_Tokyo