Jae-yu Park was born in 1930 in Korea. He took B.A., M.M. in Yonsei University and M.A. in Cleveland University. Also he had studied at Hochschule fur Musik in Mlinchen. He composed some hundred of works which include Symphonies, Chamber musics Chorus and Operas. He wrote some works; <Choral arraging>, <Choral arranging>, <0pera composition> and etc. He was a winner of the Korean National Composition Prize. He has been a faculty member of the College of Music at Yonsei University from 1962 to 1999 and now is a professor of Emeritus at Yonsei University.
Exposition of Jung-Sun Arirang: This song which subject from Korean traditional folk song is recomposed to use with western method of composition. This was composed in 1978, commissioned by Seon-Myung-Whoe boy & girl's Chorus, played at its world tour concert and won the first prize in The World Choral Competition sponsored by BBC. Later, this song revised for four part mixed chorus and then this is sung by many choirs.
Dr. Kasilag has long planserd in the research and use of Asian musical instruments, juxtaposed with orthodox, Western instruments, in several works with Eart-West flavor. She has written 200 works ranginging through folksong arrangements, art songs, choral, chamber and orchestral works. President and director for the performing arts, Cultural Center of the Philippines. She is also dash emaritus of the College of Music and Fine Arts, Philippine Women's University. She has served on the board of directors of the international Society for Music Education. She is chairman of the League of Pilipino Comporsers and the Asian Composers' League; president National Music Council of the Philippines; music director of Bayanihan Folk Arts Center; and chairman of the UNESCO Committee on Cultural Activities, UNESCO National Commission on the Philippines. She headed many Philippine cultural delegations to Asia, USA, South America, Africa, Europe and Australia. She served in the jury for competitions in piano in Italy, Australia and USA. She is the Philippines' most decorated composer and has received numerous awards from various governments, cultural and civic organizations here and abroad.