1. 
Nov. 23, 1936, was a good day for recorded music. Two men, an ocean  apart, each stepped up to a microphone and began to play. One was a  cello prodigy who had performed for the queen of Spain; the other was a  guitar player in the juke joints of the Mississippi Delta. But on that  day, Pablo Casals and Robert Johnson each made recordings that would change music history.
via Robert Johnson And Pablo Casals’ Game-Changers Turn 75

    Nov. 23, 1936, was a good day for recorded music. Two men, an ocean apart, each stepped up to a microphone and began to play. One was a cello prodigy who had performed for the queen of Spain; the other was a guitar player in the juke joints of the Mississippi Delta. But on that day, Pablo Casals and Robert Johnson each made recordings that would change music history.

    via Robert Johnson And Pablo Casals’ Game-Changers Turn 75