The catalogue includes 19 of his classic albums as well as a new compilation.

His catalogue was previously only available online via his own website and Believe will now distribute his music to leading digital stores from June 6, coinciding with Harper's 70th birthday.

The campaign will see four albums digitally reissued every three months.

Believe Digital UK MD Stephen King said, "Roy is a genuine original who cares deeply about his legacy and how it is exploited. He is ...