As many fans of Hellblazer would know, John, in his youth, was involved in a punk band known as 'Mucous Membrane'. The band released one song entitled Venus of the Hardsell.
Fans of the series actually created a live version of the song, which I thought was absolutely awesome:
And those are all the real lyrics of the song too: http://hellblazer.wikia.com/wiki/Venus_of_the_Hardsell
Just wanted to share that with everyone.