a) tw tw con news (w/ other unseen parts of the con): http://youtube.com/watch?v=bXEkW9V9ahw
b) fan cam! keke (jap con... i think... from reports i've seen, the guys sang
c) but did the guys sang BLUE in jap con? i don't remember... i know they did in tw!: http://youtube.com/watch?v=45jve1kr1Ao