User blog comment:SlyCooperFan1/Ace Combat 7: THE iDOLM@STER/@comment-120.164.46.30-20150404144501/@comment-39.254.79.198-20150404163432

And you won't be able to identify any "songs from IDOLM@STER" unless you play the iM@S games first. Double publication and advertisement. Good move, I'd say.