This song is just so awesome I had to tab it, the dance is extremely good :D.
Band  : Shinhwa
Song  : Brand New
Album : Brand New
URL   :http://www.youtube.com/watch?v=JR46mwxCanY
Since korean words can't pop up here or be viewed properly, I'm just putting the 
chords on here, if you listen to the song, it should be relatively easy to know 
where to change chords.

Intro x2
Abm F# B C# Em D#7sus4 D#7   

 Abm                                F# Abm                          F#
One two three four, back to the one two! one two three, back to yeah!
 Abm                                F# Abm                         
One two three four, back to the one two! one two three, back to yeah!

Verses
Abm      C#7 Abm      C#7 Abm C#7 D#7sus4 D#7
Abm      C#7 Abm      C#7   Em7      D#7sus4 D#7

Chorus
Abm   F#/A#   B   C#7   Em   D#7sus4   D#7 
Em    F#     B   C#7   Em   D#7sus4   D7

Bridge
Cm7   F7  Cm7  F7  Cm7  G7
                           Just will never let you gooooooo!

Ending
C#7       Em                                       D#7sus4     D#7
   Come back girl! come back girl! it's alright!
G#m
   Come back girl! one more time!