http://hollywoodlife.com/2015/02/10/sia-face-why-she-doesnt-show-hates-fame/
http://greenlabel.com/behind-the-mask-musicians-who-conceal-their-faces-and-why/
http://www.goodhousekeeping.com/life/entertainment/a35459/blue-man-group-without-makeup/
https://www.pastemagazine.com/blogs/lists/2011/01/11-masked-musicians-and-why-they-hide.html
http://www.fuse.tv/galleries/2013/10/masked-musicians-photo-gallery#5
http://www.slipknot1.com/
https://en.wikipedia.org/wiki/Slipknot_(band)
https://en.wikipedia.org/wiki/Deadmau5
http://gorillaz.wikia.com/wiki/Gorillaz
https://en.wikipedia.org/wiki/Gwar
http://www.wnyc.org/story/kiss-paul-stanley/
https://en.wikipedia.org/wiki/Kiss_(band)
https://en.wikipedia.org/wiki/Daft_Punk