sentences:  "Color Of Soul" was written by famous musical composer Miki Watanabe, who has worked with the likes of SMAP, V6, AAA and YeLLOW Generation.Miki would later work with Kumi for her songs "Butterfly" and "Crazy 4 U," among others.The music for the track was performed by h-wonder, who debuted in 1995 as an artist, but became a composer in 1998.