RYTHEM was a Japanese pop duet who were under the Sony Music Entertainment label. The talented duo was formed by Niitsui Yui a.k.a Yui , on piano & vocal position and Katou Yukari a.k.a Yuka , on acoustic guitar & vocal position. Their debut single was Harmonia , released on May 2003, which song was used as the 2nd ending theme of Naruto, a popular anime in Japan. On October 2010, the duo announced on the streaming site ustream that they would disband in 2011.
Four years of hard work!This month of May we celebrated four years on the air. We continue working on the dissemination of this wonderful instrument, thank you for participating in our story!