Ryuichi Nitta composed Ninja Gaiden for the Arcade and Ninja Gaiden II.
He is part of Kajiya Music along with Keiji Yamagishi and a member of Brave Wave Productions.
Mayuko Okamura composed for several Tecmo titles, including Captain Tsubasa II and Ninja Gaiden II.
Kaori Nakabai composed Ninja Gaiden III.
She is part of Kajiya Music along with Yamagishi and Nitta and a member of Brave Wave Productions.
Rika Shigeno composed Ninja Gaiden III and Tecmo Super Bowl.
Ninja Gaiden The Definitive Soundtrack Vol. 2
Ryuichi Nitta, Mayuko Okamura, Kaori Nakabai, Rika Shigeno