Tatsurō Yamashita, occasionally referred to as Tatsu Yamashita or Tats Yamashita, is a Japanese singer-songwriter and record producer, who is known for pioneering the city pop style of music.
His most well-known song is "Christmas Eve", a best-selling song released in Japan in the 1980s. It has appeared on the Japanese charts for over 35 consecutive years.
He is known for his collaborations with his wife Mariya Takeuchi on many songs, including "Plastic Love", and the American songwriter Alan O'Day, with whom he co-wrote the songs "Your Eyes", "Magic Ways", "Love Can Go the Distance", and "Fragile". He is sometimes called the "king" of city pop.
Yamashita is considered a major contributor to Japanese music and is ranked by HMV Japan as the sixth among the top 100 Japanese Artists.