시나브로 Sinabro - 을지문덕 Eulji Mundeok 

국풍 '81 젊은이의 가요제 - 2집
문관철 Moon Kwan Chul - Rhythm Guitar, vocal
안지홍 Ahn Chi Hong - Lead Guitar
이효석 Lee Hyo Seok - Bass
김광민 Kim Kwang Min - Synthesizer
권영국 Kwon Young Kook - Drums
Sinabro has no official album. but the band appears two compilation album.
Kim Kwang Min, one of famous keyboard player in Korea, debut with this band.
The song was awarded instrumental prize from '81 국풍 (National Festival in Korea)
Eulji Mundeok was a noted military leader of early 7th century Goguryeo, one of the Three Kingdoms of Korea. Often numbered among the greatest heroes in Korean military history, he defended Goguryeo against the Sui Chinese. His name is often romanized as Ulchi Mundok according to McCune-Reischauer romanization.