[Machine Translation] RYTHEM, a singer-songwriter unit, has released its first best album! In 2002, when he was a sophomore in high school, RYTHEM passed an audition and debuted with "Harmonia" in May of the following year. They sold over 70,000 copies, an unprecedented number for a newcomer, and released "Kaleidoscope Twinkle Twinkle", the theme song for the Nippon Television drama "Hikari to Tomoni... ~Having an Autistic Child~", and "Yakitate! This album is the culmination of six years of her career and contains all 17 of her singles from her debut to her latest songs! A DVD containing 15 video clips (excluding "Blue Sky Blue" and "WINNER") is included.