Much too say so...WOO. Little sister likes it!! That's really awesome, honestly. 8D
1. This is the Schwa. And I'm just gonna link you to the Wiki page. XD http://en.wikipedia.org/wiki/Schwa
But long story short, it's literally everywhere. It could be anywhere. And it's amazing.
If you listen to the song one more time, I did the line "When can we do this again" in two different ways near the end. The first time she's not using a Schwa for the word "again" (su) and the second time she is using a Schwa for the word "again". (sx) It's hard to explain, but easy to hear the difference!
2. The CCs and V Cs aren't anything new, I've just finally got everything working together in harmony. haha
I'm still testing a lot of the CCs, but they just... do what it looks like they're doing.
And the V Cs just work like they do in JP CVVC. Basically forming VCV.
You probably are! I think a lot of people are and have been. :3
1.My family listened to your VCCV test and to summarize what they said was, "yes I know what it is but that's not the original singer."
2. Question, I notice you have VCCs but do you still have VCs as you'd find them in a CVVC english bank?