Yamashita Tatsur? (born on Feb 4, 1953 in Tokyo, Japan) is a well established Japanese singer and composer. Known for his singles to constantly reach super hit status, most of which were released in the 80's, his music incorporates elements of soul-funk, jazz, blues and the occasional disco.In 1973, Yamashita formed the band Sugar Babe with the musicians including ????(Taeko Onuki) and ????(Kunio Muramatsu). His most well-known song is arguably 'Christmas Eve'