13% comes from parts that are repetitive. So if I can't make it pass the first one, chances are I won't be able to make it pass the second one. Still figuring out the bass line.
The other 5%... I've yet to do a test run (plus make changes) which can only be done once I've completed the whole song.
Doo vee doo vee doo ra fa. Doo vee doo vee doo ra fa... I feel so presssed for time. I'll update again