Ninja Gaiden The Definitive Soundtrack Vol. 1+2
by Keiji Yamagishi
Vol. 1 contains the complete soundtracks for Ninja Gaiden on NES and Arcade.
There are 59 tracks in total, with 31 for the NES edition and 28 for the Arcade.
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.