By: Eric A. Gordon
PASADENA, Calif. – How does the indelible stain of slavery reverberate down into the 20th century? Specifically into a modest, haunted African-American home in Pittsburgh's Hill District—where August Wilson grew up—in the 1930s, in The Piano Lesson , the fourth of August Wilson's extraordinary 10-play “American Century Cycle,” each devoted to exploring themes of 10 sequential decades.