Hex may refer to one of several bands:
1) UK 80's anarcho punk band similar to dark moody sound of the anarcho bands like The Mob or Zounds
2) The collaboration between multi-instrumentalist, lyricist, producer Steve Kilbey, better known as singer, frontman and bassplayer in The Church, and singer, musician Donnette Thayer, formerly from californian band Game Theory.
They released 2 albums:
*Vast Halos (1990) Check out Hex in the left menu, for detailed info on all releases and the song lyrics, in the side-project section of the online discography of The Church.