Look at this
YouTube - Suzumiya Haruhi Gekisou- Hare Hare Yukai! Aya Hiran, Minori Chihara and Yuko Goto performing the Hare Hare Dance at the haruhi suzumiya concert, It was done very well.
and this funny clip in akiba
YouTube - 驚異的人数でハレ晴レユカイを踊るoff in 秋葉原(Part2) 4/8 秋葉原中央通り see how all the dancers run away as soon as the police comes
