Ops. You still have a great song!
7. Entries must be between 3-6 minutes in length. There will be some leeway permitted of up to 15 seconds outside of the range, but anything hitting exactly 15 seconds outside that range may not be accepted. The organizer will have the final say in whether an entry is too long or short to be accepted for the contest. Your best bet is to be right within the 3-6 minute range.
https://www.newgrounds.com/bbs/topic/1523981
You have the option to make another song:
8. Each participant may submit up to 2 different entries. These cannot be two versions of the same entry, e.g. same composition and different instruments.
Morpherence 
