Much has been made lately of Artificial Intelligence (AI), from the new “machine learning” program that made The Beatles’ “Now and Then” and further stereo remixes of mono material possible, to the more eyebrow-raising applications proliferating around the media landscape.  Pink Floyd’s David Gilmour and UK electronic group The Orb recently released Metallic Spheres in Colour, a reimaging of their 2010 ambient collaboration Metallic Spheres.  Producer Youth commented, “The idea for Metallic Spheres in Colour was that Alex Paterson [founder of The Orb] could have done more on the first version and…