The German-born music producer and publisher was married to the Oh, Pretty Woman singer for 19 years from March 1969 and during the 1980s started to manage his career. She executive-produced the 1988 TV special Roy Orbison and Friends, A Black and White Night, which featured Orbison playing with artists including Bruce Springsteen, Elvis Costello and Tom Waits and helped renew interest in him.

When he died in December 1988 she took over the running of his business interests and ...