They used to use roller skates and people got more in jured
I'm pretty sure its Emotion and Creativity
Answer:
This goes back to the Anglican Cathedral tradition of aniphonal singing. There are two sides to the Quire (the physical place) in a Cathedral: Decani (the side of the Dean) and Cantoris (the side of the Cantor). Thus, singing from side to side antiphonally makes sense liturgically.
Hope this helps!
