Keiji Yamagishi, a founding member of the Brave Wave label, has been composing for video games and other media since 1987.
Along with his work on the original Ninja Gaiden games, he worked on Tecmo Super Bowl, Captain Tsubasa II, Dynasty Warriors, Onimusha Tactics, and Exile's End while part of TECMO, KOEI, Brave Wave, and also as a freelancer at his own company, Kajiya Productions since 2000.
In 2015, he released his first solo album, the critically acclaimed Retro-Active Pt. 1, which saw Yamagishi incorporate a modern touch on his signature chiptune sound.
It was followed up with Retro-Active Pt. 2 in 2016.
Ryuichi Nitta composed Ninja Gaiden for the Arcade and Ninja Gaiden II. He is part of Kajiya Music along with Yamagishi and a member of Brave Wave Productions.
Mikio Saito, also known as Metal Yuhki, has composed for titles such as Ninja Gaiden for the Arcade and Ninja Gaiden II. He has also composed for the Tokimeki Memorial series.
Ninja Gaiden The Definitive Soundtrack Vol. 1
Keiji Yamagishi, Ryuichi Nitta, Mikio Saito