At one point Abramovic perches on a makeshift bed, with coffins lined up at the side, while Hegarty sings with his back to the audience.
The boys were captivated by the medieval world around us, the priests with their ornate gold crosses, the tunnels linking the churches, and the macabre sight of human bones sticking out of coffins and carved niches in the rock face.
Disinterred bones, dropped by neglectful gravediggers, lay scattered amidst the tombstones; smashed coffins were sold to the poor for firewood.
Nowhere will the political players be watched more closely than from Lampedusa, where the coffins of the 3 October victims have gone, but the memories linger.
As the images of tiny white coffins and vivid testimony from survivors went around the world, tragedy struck again.
Some are like little cabinets of secrets, or imaginary rooms, cells or perhaps even coffins.
The film begins in an unnamed airport as five tiny coffins are loaded on to a plane.
The existence of such gases was undisputed – sextons and undertakers were often called up to "tap" coffins in church vaults, drilling a hole to prevent them breaking open with explosive force.
My playground, carefully curated by my undertaker father, consisted of rooms full of gleaming coffins, the neon glare of brightly coloured embalming fluid bottles, and the bodies, always the bodies.
Walled up and forgotten for about 150 years, the coffins were discovered when a construction worker tapped on a wall during renovation work 21 years ago.
Part of the wall gave way to reveal coffins, many decorated with skulls, stacked from floor to ceiling.
