The trio was on last night's CDTV Top Karaoke of 2009 as part of their countdown segment & in this clip (
http://www.youtube.com/watch?v=z2o_z...eature=related) , you can watch a group of artistes other than them singing just the chorus of the songs
& in here , you can see/hear Chisa belting out Kumi Kuu's Ai no Uta with an AKB48 member whose name I don't know