The times, they were a’changin’ in the summer of 1969, with many turning to music as a vehicle to help them express their feelings on important social and political issues. The most famous music festival of all time, Woodstock, has seen its concert footage shown the world over. That same year in New York, over 300,000 people attended the predominantly African-American concert series known as the Harlem Cultural Festival.

The filmed performances of some of the most important artists in black music history sat in a basement for five decades, only to finally be seen in “Summer Of Soul (…Or, Whe... read the rest.