Related Information for Deepest Blue Deepest Blue was an electronic music group based in the UK, consisting of record producer and songwriter Matt Schwartz, and singer/songwriter Joel Edwards.Matt, Deepest blue's producer is an Israeli born, classically trained violinist who moved to the U.K. to study music production. Matt has worked with many great artists including Arthur Baker, Mica Paris, JTQ and Massive Attack. He first collaborated with Massive Attack on their album Mezzanine, helping to co-write Dissolved Girl w.. read more