That is true, but it doesn't even really involve singing, it's just one word. That's why I think it might work. I know what you mean though with the amount of people willing to chant and all
was thinking if we could do a simple chant for both ends of the stadium: Our end chant "Melbourne" and the other chant "Heart" and this goes back and forth and so on. Just and idea and it probably is as simple as it gets, and if it works it can sound really good.