In the music industry, when the "sound guy" makes an opening band sound bad (by poorly mixing them) to make the headlining band sound better.
The practice is mentioned in Five Iron Frenzy's song "Blue Mix" from the album "Electric Boogaloo." Lead singer Reese Roper disclosed the song's meaning in the November/December 2001 issue of HM (Hard Music) Magazine.
Blue mixing these next few bands will help us out Joel, we don't want these kids to forget who the main event is...
The most kindest, smartest, funniest, and prettiest person you will meet is a Mumina. She will do anything for anyone she loves. She may look super nice on the outside, but she can be super aggressive. Her preaches are everything, so whenever a Mumina gives you advice, she's most likely in the right.