Billboard by longtime friend and record producer Joel Diamond, resulting from complications following a long struggle with Parkinson's disease.
He was 73.Mardones was born in Cleveland, Ohio and grew up in Savage, Maryland, joining the Navy out of high school to serve in the Vietnam War.
Following his discharge, he moved to New York to become a songwriter, where he was enlisted by Diamond to be a staff songwriter for Mercury Records, penning material for stars like Brenda Lee and Tommy James.
Various other credits followed, and in the late '70s Mardones also became a performing artist, opening for folk-rocker Richie Havens on tour in 1977 and releasing debut album Thank God For Girls the year after.Despite impressive pedigree, including.
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