[citation needed] In 2005, he released a book of poetry called Cue the Bedlam (More Desperate With Longing Than Want of Air), which was published in December 2005 by Unholy Day Press.
[3] Mark started singing in the Saint John's Choir, then created his own band, King Rat.
[1] Hennessy was lead vocalist and the main lyricist of the grunge band Paw.
They recorded two major label releases, Dragline and Death To Traitors, and the EP Home Is a Strange Place.
[citation needed] In 2007, he sang in a seven-piece band called The Diamond Heart Club.