Listen to the sound clip 22. Unused 4 from Heavy Unit ヘビーユニット - Video Game Music: 22. Unused 4 22. Unused 4 This sound is from Heavy Unit ヘビーユニット - Video Game Music Video game music from Heavy Unit ヘビーユニット for TurboGrafx-16. Published by Taito (1989). Go to the full soundboardwith more sound clips Search