Shirou Hamaguchi(浜口史郎) is a Japanese music composer and a famous orchestrator. Best known for his work on the music for the "Ah! My Goddess" anime TV series and movie, music for the "One Piece" TV anime series and variations orchestral arrangement of Final Fantasy Series. Shiro Hamaguchi was born on the 19th November, 1969 (in Fukuoka). He was admitted into the University of Arts in Tokyo and graduated in 1994. After graduation, he has directed operations for a project given by Victor Entertainment for 2 years.