In the course of a career spanning seven decades, Tony Visconti has produced seminal albums in the classic rock genre including high profile collaborations with David Bowie, T. Rex, Gentle Giant, Strawbs, and Badfinger.  But Visconti’s C.V. runs much deeper, from folk (Ralph McTell, Tom Paxton) to musical theatre (Elaine Paige) and everything in between (Sparks).  On October 20, Edsel will release the first large-scale tribute to Visconti’s enormous musical legacy.  Produced by Tony Visconti has been curated by its subject.  It will be available in a variety of formats including 4…