Talk:Extreme Rainbow/@comment-13215692-20161016070748

Kinda disagree that this is the first group attack to have singing in the background. Precure Grand Printemps did it before. Here's the track.

https://www.youtube.com/watch?v=1kyyT95pXAg

The first to have singing in their group attacks is possibly Innocent Purification, but then it features singing in the foreground instead of background.