In 1992, Johnny Cash was all but washed up. Having been reduced to playing a residency in the glitzy fun palaces of Branson, Missouri, a kind of low-rent Las Vegas, he felt deserted by country music radio and all but ignored by his record company. Then he met a hip-hop/metal record producer who not only saved his career but, it’s claimed, added 10 years to his life by recording the …



