Oh and here's the full documentary: m.youtube.com/watch?v=geR5...

Btw the composer is Yoshimasa Terui and the idol group is Sora Tob Sakana

I keep hearing and writing things down several tones higher/lower than they actually are, causing the rest of the bar to also be too high/low.
It's so doomed...

This is literally the coolest thing ever.