There are several acts known as Kim Bum Soo. 1) Kim Bum Soo (also known as Astro Bits, ์์คํธ๋ก ๋น์ธ , bk, bk!) is a South Korean electronic musician born 1970. He studied music in Japan and won Ryuichi Sakamoto's Music Audition by J-Wave in 1996. He was part of Yoon Sang's band papermode that appeared in credits on Yoon Sang's 2nd album Part 2, but he went solo after Yoon Sang's enlistment and papermode's dissolution. In 1996 he released his solo album Guardian Angel under the name Kim Bum Soo. Read more on Last.fm