Simple and Clean

Artist: Utada Hikaru
Song: Simple And Clean
Lyrics: Utada Hikaru
Music: Utada Hikaru
Other Information: Arrangement: Utada Hikaru and Kawano Kei; Keyboards and Programming: Kawano Kei; Basic Programming: Utada Hikaru; Synthesizer Programming: Tsunemi Kazuhide; Acoustic Guitar: Akiyama Hironori; All Vocals: Utada Hikaru; Recording: Ugajin Masaaki; Mixing: Goh Hotoda

"Simple And Clean" is as song recorded by Utada Hikaru, first released in 2003 on her "COLORS" single. It was used as the Kingdom Hearts theme song for the US/Global release, and for all region releases of Kingdom Hearts: Chain of Memories, Kingdom Hearts: Birth by Sleep, and Kingdom Hearts: Re:coded. It is also the English version of "Hikari", although they differ on the lyrics and melody for the chorus. "Simple and Clean" takes its chorus melody from "Uso Mitai na I Love You", another Utada song released in the same era as "Hikari".

Disambiguation

There are three versions of "Simple And Clean" to be found in Utada's discography. These different versions are:

Simple And Clean: Found on the "COLORS" single as track #2, and on the North American release of This Is The One as track #11.
Simple And Clean -PLANITb Remix-: Found on the "COLORS" single as track #3. The arrangement is the same as the "Hikari -PLANITb remix-".
Simple And Clean -Ray Of Hope MIX-: Found on "Hikari (Ray Of Hope MIX)" as track #2. This remix was done by DJ PUNPEE.
Simple And Clean (P's CLUB MIX): Found on "Hikari (Ray Of Hope MIX)" as track #4. This is a remix version of the song done by DJ PUNPEE.
Simple And Clean (Live Streaming): Found on UH Live Streaming 20 Dai wa Ikeike! as track #3. This is an acoustic live version of the song with Utada backed with her own playing of a guitar.