From the manufacturer:
Brave Wave is bringing Koei Tecmo Games’ classic Ninja Gaiden soundtracks to Vinyl. For the first time ever, the soundtracks for Ninja Gaiden on NES and Arcade and Ninja Gaiden II: The Dark Sword of Chaos are available exactly as intended by the composers originally and true to the original releases. This also marks the first time ever Ninja Gaiden III: The Ancient Ship of Doom has received an official soundtrack release in any format and in any territory.
Vol. 2 contains the complete soundtracks for Ninja Gaiden II: The Dark Sword of Chaos and Ninja Gaiden III: The Ancient Sword of Doom. There are 29 tracks for Ninja Gaiden II and 30 tracks for Ninja Gaiden III. They were composed by Ryuichi Nitta, Mayuko Okamura, Rika Shigeno and Kaori Nakabai.