Sis Hyeri does not have 10 lines sit down.
The head voice part isn't her, it's Sojin mostly, and Hyeri sings like the first two words of every phrase. Furthermore, Sojin sings it when they perform, and Hyeri only actually opens her mouth for for the second
"nae choge jjillinabwa
heoreul jjireunikka neogsi naga"'
I'm not saying her voice isn't present in the studio version cause it is, her part is just buried underneath backing vocals. Though usually what I've noticed producers do is they have the members who aren't main vocalists do a lot of the head voice-y, in-between parts that no one really registers while listening to the song, or backing vocals for the main vocalists.
OK, sis. Let me take a seat.
Keep doing your CSI style research on vocal layering. I'll keep it simple and look up the colour coded lyrics.
Quote:
Originally posted by Sept
She doesn't have any solo lines for herself
And you know that they don't sing the chorus live. So basically she didn't even open her mouth for the live performance
Maybe you're right?? A Yoona fan would be an expert on noticing all of that...
Impartial, it can be Hyeri on the lyrics but it's not her singing. Gun by Nine Godesses has the same problem. The part that are supposedly sung by Minha, Eunji and Sem are actually sung by Hyemi / Sera and backing vocals of Spica's Boa. They lipped on stage their lines because it wasn't their tone
Hyeri is my bias but let's be real, she couldn't handle the vocal style for Something live anyways. She's present in the studio version and serves a great visual so i'm happy.
Keep doing your CSI style research on vocal layering. I'll keep it simple and look up the colour coded lyrics.
I didn't have to do any research, it's audible in the song.
And relax. If you're going to be defensive about something, then at least be gracious if you're wrong. It's not a big deal, just don't get all up in arms about it.
and only second one 
