‘Summer of Soul’: Celebrate a 20th-century landmark event with this 21st-century cinematic treasure

“Summer of Soul” – The Summer of 1969.  What’s the first image that comes to mind?  The Apollo 11 Moon landing or Woodstock (or the Woodstock Rock Festival) might be # 1 for most Americans.    For the Gen X crowd, Bryan Adams’ 1985 single “Summer of ‘69” could round out the Top 3. After watching director Questlove’s enormously entertaining and informative documentary “Summer of Soul (…Or, When the Revolution Could Not Be Televised)” – the best film I’ve seen this year and the best doc since “Searching for Sugar…