Bennie K (ベニー ケー) is an urban female duo that consists of vocalist Yuki and rapper Cico. They met while Yuki was in Los Angeles undergoing voice training with Roger Burnley.
They made their debut in January 2001 with the single "Melody," released on the For Life Music label. Bennie K's songs usually combine Japanese and English.
Their sound is primarily urban, but they often use a variety of diverse musical styles, including Latin and country.
Source: Wikipedia)