What track should I do in my OST next?

Description: "COOL GUY FROM CYBER SPACE" - Finished, but not public "STOP RIGHT THERE, INTRUDER!" and "Humerus Rebound" - https://soundcloud.com/fuck-you-lss/stop-there-and-rebound "THE FINAL STAND" - https://soundcloud.com/fuck-you-lss/the-final-stand "Groovy Battle!" - https://files.fm/filebrowser#/_SNT_%20Groovy%20Battle!.mp3;/view/htywevxqr "Bones are Trouslin'" - https://files.fm/filebrowser#/_SNT_%20Bones%20are%20Trouslin_%20.mp3 "B-Battle Against the N-Nerd" - https://files.fm/filebrowser#/_SNT_%20Battle!.mp3;/view/g699a85an "A Ghoulish Dance of Death" - https://files.fm/filebrowser#/_SNT_%20A%20Ghoulish%20Dance%20of%20Death.mp3;/view/pf9ud2hzm "A-ANIME IS REAL!!!" - https://files.fm/filebrowser#/_SNT_%20A-ANIME%20IS%20REAL!!.mp3;/view/vu953qxm7