Tacky & Tsubasa were a reletively new group when they worked on Inu-Yasha. They released their first album, Hatachi, on September 11, 2002 and it contained "One Day, One Dream" which was used in Inu-Yasha. Tacky was born Hideaki Takizawa on March 29, 1982 and Tsubasa was born Tsubasa Imai on October 10, 1981. They also have an association with Johnny (one of Japan's major producers) and his group Johnny's Jr.