“I’d have been up for having Slash on the album – but I’d have insisted he played the xylophone!” Steve Hogarth and Richard Barbieri pushed each other hard on their first album Not the Weapon But The Hand

Marillion vocalist found himself singing over drum’n’bass music on 2012 release, while Porcupine Tree keyboardist had to allow lyrics in a piece he’d wanted to be instrumental – but the result of years of effort satisfied them both (LouderSound)