HEUN(흔) 1st Single [Firework] 너와 함께 봤던 아름다운 불꽃놀이. 어쩌면 내 마음속이었는지도 몰라 [Credit] Lyrics by HEUN Composed by HEUN, LA True Arranged by HEUN, LA True, Dan Loaf, Su Hyuk Mixed by Dan Loaf Mastered by 권남우 @ 821 Sound Mastering Artwork by Su Hyuk Recorded by ICE DEN Special Thanks to ICE PUFF Album Planning LINK6 Inc.