Ghost in the Shell: Stand Alone Complex O.S.T. 4- (攻殻機動隊 STAND ALONE COMPLEX O.S.T. 4- (マイナス), Kōkaku Kidōtai Sutando Arōn Konpurekkusu Ō Esu Tī Fō Mainasu) is the fourth original soundtrack to the anime series Ghost in the Shell: Stand Alone Complex, composed by Yoko Kanno. It features music from both seasons of the series as well as the film Solid State Society and is produced by composer Kanno, Toshiaki Ota, Victor Entertainment, and Bandai.
The album was released exclusively as a part of the Ghost in the Shell: Stand Alone Complex CD-Box box set, which also included all of the above albums and a Tachikoma-style USB memory stick featuring previously unreleased music from Tachikomatic Days, as well as voice clips, images, and video. Stand Alone Complex O.S.T. 4- is presented as a continuous, single-track mix and consists of "16 pieces".
1. "Tenohirawotaiyouni" 0:00
2. "Kuro Tachikoma" 4:10
3. "Omake 1" 6:47
4. "Omake 2" 8:01
5. "Omake 3" 10:56
6. "Omake 4" 11:58
7. "Omake 5" 13:31
8. "Omake 6" 18:47
9. "Omake 7" 22:47
10. "Omake 8A" 26:18
11. "Omake 8B" 30:11
12. "Omake 8C" 31:24
13. "Omake 8D" 32:55
14. "Open Tachikoma" 34:02
15. "Tachikoma SP1" 34:42
16. "Tachikoma SP2" 39:38
17. "Tachikoma SP3" 41:54
18. "Tachikoma na Hibi" 45:05