Listen to the sound clip 9. Boss BGM 2 from Shinobi 忍 - Video Game Music: 9. Boss BGM 2 9. Boss BGM 2 This sound is from Shinobi 忍 - Video Game Music Video game music from Shinobi 忍 for TurboGrafx-16. Published by Asmik (1989). Go to the full soundboardwith more sound clips Search