About
single
Release Date
August 3, 2011
Artist Origin
South Korea
Tracklist
Disc 1
- 1 HEART TO HEART (Japanese version) 3:51
- 2 HEART TO HEART (Korean version) 3:52
- 3 거울아 거울아 (Korean version) ～鏡よ、鏡よ～ 3:37
- 4 HEART TO HEART (instrumental) 3:50
Disc 2
- 1 거울아 거울아 (Korean version) ～鏡よ、鏡よ～ (music video)
- 2 HEART TO HEART (Japanese version) (off shot MV in U.S.A)
