You just realised?
It's because I'm helping my friend to rehearse a group of about 40 young people (8-16 yrs) for it. I didn't realise until now that the songs are actually genetically programmed into everyone from birth.
Aikagi (unplugged version), by SID. ............. *long pause*......... just thinking about it....... keeps making me want to burst into tears............. ............... in a good way........... I think..........