Tadao Sawai (沢井 忠夫) was a Japanese koto player and composer.He was renowned all over Japan for his skill at the koto and also received acclaim for his compositions.He was married to Kazue Sawai, also a koto player, and their son Hikaru Sawai is also a musician. Born in Aichi Prefecture, Sawai graduated from the Tokyo National University of Fine Arts and Music in 1958. Sawai worked with a number of Western musicians, including Wadada Leo Smith and also released a CD of himself playing Jazzy Bach on the Koto. Sawai also invented a Koto of his own also called as the Tadao koto which also creates good sounds.