hahaha..

Thats right...I heard that the background song is titled ANAK..A Filipino song which made a Hit in Korea..correct me if im wrong...
"Anak" (Filipino for child or more accurately my son or my daughter) is a Tagalog song written by Filipino folk-singer Freddie Aguilar.
a song of remorse and apology to his parents. He went back home and asked for forgiveness from his parents, who welcomed him with open arms. After his father read the lyrics of "Anak", the two became closer. The homecoming proved timely as his father died not long after-by wikipedia..
maybe the story of the Gangnam 1970 is somewhat like this... Just Guessing..hehehe