I actually thought Aaron was amazing in the preBroadway tryouts and Eric was the worst at the time. But yeah, all the girls were FANTASTIC and scary good and professional considering their ages too.
I personally loved the erratic dancing and fit perfectly with the frustrations of teenagedom. But it was a bit like Bill T Jones' chaotic dancing in Spring Awakening. Either people loved it or didn't get it. (Though it's still way more traditional in 13).
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