Complex sentence: He also participated in the first publicly released album of "Noraerul Chanun Saramdul-Song Seekers", a group of activists & singers in 1987, and later created a more widely supported band "Dongmulwon (동물원)--The Zoo" in 1988.
Split into simpler sentences: He also participated in the first publicly released album of "Noraerul Chanun Saramdul-Song Seekers", a group of activists & singers in 1987. He became famous with his band "Dongmulwon (동물원)--The Zoo" in 1988.