On "Di Udara", they assessed market interest for an ideologically or politically themed song.

The lyrics of "Efek Rumah Kaca" are about global warming, while "Bukan Lawan Jenis" addresses homosexuality.

[3] "Cinta Melulu" criticized the tendencies exhibited by Indonesian love songs, especially infidelity.

[4][3] "Melankolia" describes Choilil's mourning upon the death of his father, exhibited through the lyrics "Sadness is beautiful, it slows down the flow of blood".

[5] Rolling Stone Indonesia chose ""Di Udara" and "Cinta Melulu" as the 131st and 143rd best Indonesian songs of all time, respectively, in their December 2009 issue.