MR TAXI Korean version sound a bit off to me especially Taeyeon's opening line :/ maybe it's because I used to listen to the Japan version.
I just hope it won't be their comeback track next September
EDIT :
Concert Setlist
credits to
fyeahjelly.tumblr.com
These people reported to have attended the concert :
4MEN, A PINK, Davichi, Gag Woman Park Jisun, Sulli and Amber, Park Kyunglim and her husband, Shin Sekyung, Taeyeon’s Mom and sister, Seo Jisuk
And we have Let it Rain Korean version too