The first single off Sing The Sorrow, "Girl's Not Grey" seems to be about dealing with the feeling of personal loss and sorrow. The song is wide open for interpretation though, as frontman/lyricist Davey Havok doesn't discuss its meaning.
The title doesn't show up in the lyrics; the hook line is "what follows..." which is sung by the whole band.
The line in the first verse, "This art does drown," is a reference to AFI's previous album, The Art of Drowning, released in 2000.
Sing The Sorrow was produced by Jerry Finn and Butch Vig. Finn had worked with blink-182 and Green Day; Vig had worked with Nirvana. Together, they helped AFI achieve a post-punk sound that proved very successful.
The video, which is both industrial and surreal, got a lot of airplay on MTV2, the more adventurous network of the MTV family. The clip was directed by David Slade, who later directed the "Metalhead" episode of the Netflix series Black Mirror. It won the MTV2 Award at the 2003 MTV Video Music Awards.