1 Harden Up (Radio Edit)
2 Harden Up - Skitz Radio Edit
3 Harden Up (Skitz Radio Edit)
4 Harden Up (Jelly's Bad Mood Edit)
5 Harden Up (Skitz Clubb Remix)
6 Harden Up (Skitz Clubb Rmx)
7 Harden Up (Jelly's Bad Mood Mix)
8 Harden Up (Jelly vs. Sample Gee Club Mix)
9 Amazon