Board Thread:General Discussion/@comment-25416561-20141118234706/@comment-11148831-20141119032304

Almost all of them are like that for WILD STARS. Nico's version just has the most noticeable change. But yep, they sound like that for a reason.

WILD STARS is a couple song, actually. The reason why they used two voices for that is because they were singing for both male and female parts. :)