Dan Matthews, a Korean adoptee, has written many songs relating to his adoption that he has released on his YouTube channel. He has done a documentary that is also on his channel. He shows his unique perspective of meeting his family as an adult and expressed his emotions through music. He is also a producer for ISAtv, International Secret Agents, so you might see him on there as well. Bellow are some links to articles and other sources about or by Dan Matthews.
Korea Today interview on Arirang Tv 2013 & 2014
[picture from website linked below]