I know you're having fun, but it reminded me of this...Looks like they got a buy one, get one deal on pants and tanks. A simple phone call could have saved them the embarrassment of dressing the same. And I guess the guy on the keytar couldn't afford to get his haircut finished?
There is a cool radio show/podcast called Ongoing History of New Music. It's fascinating, often giving you the story behind the music and the history of where music comes from. A few weeks back they published one on fashion, which talked about bands who wore "uniforms" (think Ramones, etc). It was an interesting listen: