The year was 1966. The month was May. The Vietnam War was dividing the country as the U.S. made their way into Cambodia, civil rights marchers were  protesting across the nation, and China set off their third nuclear bomb. Rock and roll ruled the pop charts, as The Rolling Stones were having their 19th nervous breakdown, Nancy Sinatra’s boots were made for walkin’, Bobby Fuller fought the law (and the law won), but it was Staff Sgt. Barry Sadler, an Army medic who served in Vietnam, who began a five-week run at #1 on the Billboard charts with “The Ballad of The Green Berets”:

The music charts weren’t as polarized then as they are now. Besides all the latest rock hits, you could find traditional pop (“My Love”, Petula Clark), R&B (“Uptight”, Stevie Wonder), country (“Cryin’ Time”, Ray Charles), instrumentals (“Theme from Zorba the Greek”, Tijuana Brass), even blues (“Scratch…