- Artist
- DIA & PD. Blue
- Digital Single
- Ibyeolhuhoe (이별후회)
- Released
- 2011.04.29
- Tracklist
- Ibyeolhuhoe (이별후회)
- Ibyeolhuhoe (Jazz Piano ver.) (이별후회)
- Ibyeolhuhoe (inst.) (이별후회)
- Ibyeolhuhoe (Jazz Piano ver.) (inst.) (이별후회)
- Information
"Ibyeolhuhoe" is the first collaboration digital single released between DIA and PD. Blue.