Singer-songwriter John Miles’ 1976 hit “Music,” the opening track of his Decca debut album Rebel, immediately became the artist’s calling card.  The Alan Parsons-produced single went to the top five on the U.K. Singles Chart, also reaching the top ten in various European countries, and cracking the Billboard Hot 100 in the United States.  The epic prog ballad won Miles an Ivor Novello Award, and launched Miles into the stratosphere.  Two well-received albums with producer Rupert Holmes followed, the first of which yielded the U.S. hit “Slow Down” (No. 2 Disco/No. 34…