Rythem

Rythem is a Japanese j-pop duo formed by Yui Niitsu (新津由衣) and Yukari Katō (加藤有加利). Signed to Sony Music Entertainment Japan, the pair debuted on May 21, 2003 with the single "Harmonia", which was used as an ending theme for Naruto. "Sakura Uta (桜唄)", an ending theme for Deltora Quest, was also among their anime-related releases. The duo was active from 2003 until 2011. Rythem disbanded after a live performance at ZeppTokyo on February 27, 2011, before later resuming activity and returning to performing in 2021. Their official website is http://www.rythem.info/.