Ken Ishii is a Japanese DJ and record producer from Sapporo. He composed music for the 1998 Winter Olympics in Nagano. His song “Creation the State of Art” was used in a 2001 video game Rez. His track “Let It All Ride” has also been used in the PlayStation Portable video game Lumines II. In 1997, his music video for “Extra” (directed by Koji Morimoto) won Best Dance Music Video of the year for MTV Europe.