LPG was a South Korean girl group that debuted in 2005 under Chan2 Productions, inspired by the success of "semi-trot" singer Jang Yoon Jung. Their name showcases the fact that several of this group were pageant participants, with two of them having made it into the Miss Korea pageant. The group disbanded in 2016.

Park Myung-soo is a South Korean comedian, MC, singer, and songwriter who debuted on television in 1993, appearing on MBC. He co-hosted the top-rated comic variety programme Infinite Challenge and also hosted the Date at 2 o'clock radio show. He has released several music singles, including "Prince of the Sea", which was covered by LPG in 2007.