IU's highly anticipated album 'Palette' will be released on April 21. Her pre-release featuring Oh Hyuk, "Can't Love You Anymore", has already achieved a perfect all-kill and so has her pre-release track "Through the Night". Her upcoming 4th album also features G-Dragon. The track list revealed that IU wrote the lyrics for all her songs excluding one, #9 "Love Like That", she is so talented!