[1] Born in Hwaseong, An received a Bachelor in Social Work from Yonsei University.

[2] In 1984, the year when he registered to Yonsei University, he joined Ullimtu, the school's central band.

He recorded 2 songs — "At The Vast Field (광야에서)" and "Dried Leaves Revive (마른잎 다시 살아나)", and subsequently left the band.

He then, however, unsuccessfully released the 1st studio album An Chi-hwan in 1990 and 2nd Song Festival in 1991; he later mentioned that he had a trouble with his label, and both were re-created as An Chi-hwan 1+2 in 1994, shortly after his 3rd album Confession.

[5] The next year, he released a new album 50 that consists of songs related to his health status.